Home / 9,935.91-13,711.64-5,459.54

Finding the Fourth Proportional to 9,935.91, 13,711.64 and 5,459.54

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Solution

The fourth proportional to 9,935.91, 13,711.64 and 5,459.54 is: 7,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.91 : 13,711.64 = 5,459.54 : x
  2. Step 2: Convert to fraction form
    9,935.91/13,711.64 = 5,459.54/x
  3. Step 3: Cross multiply
    9,935.91x = 13,711.64 × 5,459.54
  4. Step 4: Simplify right side
    9,935.91x = 74,859,151.19
  5. Step 5: Solve for x
    x = 74,859,151.19/9,935.91
  6. Step 6: Final answer
    x = 7,534.20

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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.