Home / 10,143.12-13,997.40-5,950.56

Finding the Fourth Proportional to 10,143.12, 13,997.40 and 5,950.56

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Solution

The fourth proportional to 10,143.12, 13,997.40 and 5,950.56 is: 8,211.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.12 : 13,997.40 = 5,950.56 : x
  2. Step 2: Convert to fraction form
    10,143.12/13,997.40 = 5,950.56/x
  3. Step 3: Cross multiply
    10,143.12x = 13,997.40 × 5,950.56
  4. Step 4: Simplify right side
    10,143.12x = 83,292,368.54
  5. Step 5: Solve for x
    x = 83,292,368.54/10,143.12
  6. Step 6: Final answer
    x = 8,211.71

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Half 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.