Home / 9,193.32-12,686.58-5,214.36

Finding the Fourth Proportional to 9,193.32, 12,686.58 and 5,214.36

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Solution

The fourth proportional to 9,193.32, 12,686.58 and 5,214.36 is: 7,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193.32 : 12,686.58 = 5,214.36 : x
  2. Step 2: Convert to fraction form
    9,193.32/12,686.58 = 5,214.36/x
  3. Step 3: Cross multiply
    9,193.32x = 12,686.58 × 5,214.36
  4. Step 4: Simplify right side
    9,193.32x = 66,152,395.29
  5. Step 5: Solve for x
    x = 66,152,395.29/9,193.32
  6. Step 6: Final answer
    x = 7,195.70

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Double scale
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Similar ratio
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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.