Home / 11,545.08-15,932.24-6,239.92

Finding the Fourth Proportional to 11,545.08, 15,932.24 and 6,239.92

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Solution

The fourth proportional to 11,545.08, 15,932.24 and 6,239.92 is: 8,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.08 : 15,932.24 = 6,239.92 : x
  2. Step 2: Convert to fraction form
    11,545.08/15,932.24 = 6,239.92/x
  3. Step 3: Cross multiply
    11,545.08x = 15,932.24 × 6,239.92
  4. Step 4: Simplify right side
    11,545.08x = 99,415,903.02
  5. Step 5: Solve for x
    x = 99,415,903.02/11,545.08
  6. Step 6: Final answer
    x = 8,611.11

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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.