Home / 9,742.92-13,446-5,551.08

Finding the Fourth Proportional to 9,742.92, 13,446 and 5,551.08

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Solution

The fourth proportional to 9,742.92, 13,446 and 5,551.08 is: 7,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.92 : 13,446 = 5,551.08 : x
  2. Step 2: Convert to fraction form
    9,742.92/13,446 = 5,551.08/x
  3. Step 3: Cross multiply
    9,742.92x = 13,446 × 5,551.08
  4. Step 4: Simplify right side
    9,742.92x = 74,639,821.68
  5. Step 5: Solve for x
    x = 74,639,821.68/9,742.92
  6. Step 6: Final answer
    x = 7,660.93

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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.