Home / 11,432.18-15,778.37-6,654.89

Finding the Fourth Proportional to 11,432.18, 15,778.37 and 6,654.89

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Solution

The fourth proportional to 11,432.18, 15,778.37 and 6,654.89 is: 9,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.18 : 15,778.37 = 6,654.89 : x
  2. Step 2: Convert to fraction form
    11,432.18/15,778.37 = 6,654.89/x
  3. Step 3: Cross multiply
    11,432.18x = 15,778.37 × 6,654.89
  4. Step 4: Simplify right side
    11,432.18x = 105,003,316.73
  5. Step 5: Solve for x
    x = 105,003,316.73/11,432.18
  6. Step 6: Final answer
    x = 9,184.89

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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.