Home / 8,901.88-12,283.82-5,545.08

Finding the Fourth Proportional to 8,901.88, 12,283.82 and 5,545.08

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Solution

The fourth proportional to 8,901.88, 12,283.82 and 5,545.08 is: 7,651.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.88 : 12,283.82 = 5,545.08 : x
  2. Step 2: Convert to fraction form
    8,901.88/12,283.82 = 5,545.08/x
  3. Step 3: Cross multiply
    8,901.88x = 12,283.82 × 5,545.08
  4. Step 4: Simplify right side
    8,901.88x = 68,114,764.61
  5. Step 5: Solve for x
    x = 68,114,764.61/8,901.88
  6. Step 6: Final answer
    x = 7,651.73

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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.