Home / 9,948.92-13,729.14-5,472.38

Finding the Fourth Proportional to 9,948.92, 13,729.14 and 5,472.38

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Solution

The fourth proportional to 9,948.92, 13,729.14 and 5,472.38 is: 7,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,948.92 : 13,729.14 = 5,472.38 : x
  2. Step 2: Convert to fraction form
    9,948.92/13,729.14 = 5,472.38/x
  3. Step 3: Cross multiply
    9,948.92x = 13,729.14 × 5,472.38
  4. Step 4: Simplify right side
    9,948.92x = 75,131,002.51
  5. Step 5: Solve for x
    x = 75,131,002.51/9,948.92
  6. Step 6: Final answer
    x = 7,551.68

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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.