Home / 7,112.31-10,654.17-3,543.66

Finding the Fourth Proportional to 7,112.31, 10,654.17 and 3,543.66

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Solution

The fourth proportional to 7,112.31, 10,654.17 and 3,543.66 is: 5,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.31 : 10,654.17 = 3,543.66 : x
  2. Step 2: Convert to fraction form
    7,112.31/10,654.17 = 3,543.66/x
  3. Step 3: Cross multiply
    7,112.31x = 10,654.17 × 3,543.66
  4. Step 4: Simplify right side
    7,112.31x = 37,754,772.71
  5. Step 5: Solve for x
    x = 37,754,772.71/7,112.31
  6. Step 6: Final answer
    x = 5,308.37

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1.5x scale

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.