Home / 10,437.93-15,654.47-5,242.59

Finding the Fourth Proportional to 10,437.93, 15,654.47 and 5,242.59

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Solution

The fourth proportional to 10,437.93, 15,654.47 and 5,242.59 is: 7,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.93 : 15,654.47 = 5,242.59 : x
  2. Step 2: Convert to fraction form
    10,437.93/15,654.47 = 5,242.59/x
  3. Step 3: Cross multiply
    10,437.93x = 15,654.47 × 5,242.59
  4. Step 4: Simplify right side
    10,437.93x = 82,069,941.66
  5. Step 5: Solve for x
    x = 82,069,941.66/10,437.93
  6. Step 6: Final answer
    x = 7,862.66

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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.