Home / 10,148.38-15,218.31-3,572.98

Finding the Fourth Proportional to 10,148.38, 15,218.31 and 3,572.98

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Solution

The fourth proportional to 10,148.38, 15,218.31 and 3,572.98 is: 5,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.38 : 15,218.31 = 3,572.98 : x
  2. Step 2: Convert to fraction form
    10,148.38/15,218.31 = 3,572.98/x
  3. Step 3: Cross multiply
    10,148.38x = 15,218.31 × 3,572.98
  4. Step 4: Simplify right side
    10,148.38x = 54,374,717.26
  5. Step 5: Solve for x
    x = 54,374,717.26/10,148.38
  6. Step 6: Final answer
    x = 5,357.97

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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.