Home / 10,431.38-14,392.96-5,953.70

Finding the Fourth Proportional to 10,431.38, 14,392.96 and 5,953.70

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Solution

The fourth proportional to 10,431.38, 14,392.96 and 5,953.70 is: 8,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.38 : 14,392.96 = 5,953.70 : x
  2. Step 2: Convert to fraction form
    10,431.38/14,392.96 = 5,953.70/x
  3. Step 3: Cross multiply
    10,431.38x = 14,392.96 × 5,953.70
  4. Step 4: Simplify right side
    10,431.38x = 85,691,264.22
  5. Step 5: Solve for x
    x = 85,691,264.22/10,431.38
  6. Step 6: Final answer
    x = 8,214.76

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Find fourth proportional to 5,215.69, 7,196.48 and 2,976.85
Half scale
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Double scale
Find fourth proportional to 10,432.38, 14,394.33 and 5,954.70
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.