Home / 10,016.71-13,821.20-6,432.31

Finding the Fourth Proportional to 10,016.71, 13,821.20 and 6,432.31

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Solution

The fourth proportional to 10,016.71, 13,821.20 and 6,432.31 is: 8,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.71 : 13,821.20 = 6,432.31 : x
  2. Step 2: Convert to fraction form
    10,016.71/13,821.20 = 6,432.31/x
  3. Step 3: Cross multiply
    10,016.71x = 13,821.20 × 6,432.31
  4. Step 4: Simplify right side
    10,016.71x = 88,902,252.21
  5. Step 5: Solve for x
    x = 88,902,252.21/10,016.71
  6. Step 6: Final answer
    x = 8,875.39

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1.5x scale

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.