Home / 10,432.35-15,646.89-3,412.31

Finding the Fourth Proportional to 10,432.35, 15,646.89 and 3,412.31

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Solution

The fourth proportional to 10,432.35, 15,646.89 and 3,412.31 is: 5,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.35 : 15,646.89 = 3,412.31 : x
  2. Step 2: Convert to fraction form
    10,432.35/15,646.89 = 3,412.31/x
  3. Step 3: Cross multiply
    10,432.35x = 15,646.89 × 3,412.31
  4. Step 4: Simplify right side
    10,432.35x = 53,391,960.98
  5. Step 5: Solve for x
    x = 53,391,960.98/10,432.35
  6. Step 6: Final answer
    x = 5,117.92

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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.