Home / 10,497.25-14,486.61-5,781.43

Finding the Fourth Proportional to 10,497.25, 14,486.61 and 5,781.43

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Solution

The fourth proportional to 10,497.25, 14,486.61 and 5,781.43 is: 7,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.25 : 14,486.61 = 5,781.43 : x
  2. Step 2: Convert to fraction form
    10,497.25/14,486.61 = 5,781.43/x
  3. Step 3: Cross multiply
    10,497.25x = 14,486.61 × 5,781.43
  4. Step 4: Simplify right side
    10,497.25x = 83,753,321.65
  5. Step 5: Solve for x
    x = 83,753,321.65/10,497.25
  6. Step 6: Final answer
    x = 7,978.60

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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.