Home / 9,731.17-13,428.25-5,482

Finding the Fourth Proportional to 9,731.17, 13,428.25 and 5,482

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Solution

The fourth proportional to 9,731.17, 13,428.25 and 5,482 is: 7,564.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731.17 : 13,428.25 = 5,482 : x
  2. Step 2: Convert to fraction form
    9,731.17/13,428.25 = 5,482/x
  3. Step 3: Cross multiply
    9,731.17x = 13,428.25 × 5,482
  4. Step 4: Simplify right side
    9,731.17x = 73,613,666.50
  5. Step 5: Solve for x
    x = 73,613,666.50/9,731.17
  6. Step 6: Final answer
    x = 7,564.73

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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.