Home / 7,428.92-11,141.25-5,088.52

Finding the Fourth Proportional to 7,428.92, 11,141.25 and 5,088.52

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Solution

The fourth proportional to 7,428.92, 11,141.25 and 5,088.52 is: 7,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.92 : 11,141.25 = 5,088.52 : x
  2. Step 2: Convert to fraction form
    7,428.92/11,141.25 = 5,088.52/x
  3. Step 3: Cross multiply
    7,428.92x = 11,141.25 × 5,088.52
  4. Step 4: Simplify right side
    7,428.92x = 56,692,468.29
  5. Step 5: Solve for x
    x = 56,692,468.29/7,428.92
  6. Step 6: Final answer
    x = 7,631.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.