Home / 9,948.17-13,728.81-5,472.11

Finding the Fourth Proportional to 9,948.17, 13,728.81 and 5,472.11

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Solution

The fourth proportional to 9,948.17, 13,728.81 and 5,472.11 is: 7,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,948.17 : 13,728.81 = 5,472.11 : x
  2. Step 2: Convert to fraction form
    9,948.17/13,728.81 = 5,472.11/x
  3. Step 3: Cross multiply
    9,948.17x = 13,728.81 × 5,472.11
  4. Step 4: Simplify right side
    9,948.17x = 75,125,489.85
  5. Step 5: Solve for x
    x = 75,125,489.85/9,948.17
  6. Step 6: Final answer
    x = 7,551.69

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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.