Home / 11,545.11-15,932.25-6,239.93

Finding the Fourth Proportional to 11,545.11, 15,932.25 and 6,239.93

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Solution

The fourth proportional to 11,545.11, 15,932.25 and 6,239.93 is: 8,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.11 : 15,932.25 = 6,239.93 : x
  2. Step 2: Convert to fraction form
    11,545.11/15,932.25 = 6,239.93/x
  3. Step 3: Cross multiply
    11,545.11x = 15,932.25 × 6,239.93
  4. Step 4: Simplify right side
    11,545.11x = 99,416,045.08
  5. Step 5: Solve for x
    x = 99,416,045.08/11,545.11
  6. Step 6: Final answer
    x = 8,611.10

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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.