Home / 11,125.50-15,354.15-6,158.46

Finding the Fourth Proportional to 11,125.50, 15,354.15 and 6,158.46

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Solution

The fourth proportional to 11,125.50, 15,354.15 and 6,158.46 is: 8,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.50 : 15,354.15 = 6,158.46 : x
  2. Step 2: Convert to fraction form
    11,125.50/15,354.15 = 6,158.46/x
  3. Step 3: Cross multiply
    11,125.50x = 15,354.15 × 6,158.46
  4. Step 4: Simplify right side
    11,125.50x = 94,557,918.61
  5. Step 5: Solve for x
    x = 94,557,918.61/11,125.50
  6. Step 6: Final answer
    x = 8,499.21

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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.