Home / 7,545.06-11,251.89-6,705.90

Finding the Fourth Proportional to 7,545.06, 11,251.89 and 6,705.90

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Solution

The fourth proportional to 7,545.06, 11,251.89 and 6,705.90 is: 10,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.06 : 11,251.89 = 6,705.90 : x
  2. Step 2: Convert to fraction form
    7,545.06/11,251.89 = 6,705.90/x
  3. Step 3: Cross multiply
    7,545.06x = 11,251.89 × 6,705.90
  4. Step 4: Simplify right side
    7,545.06x = 75,454,049.15
  5. Step 5: Solve for x
    x = 75,454,049.15/7,545.06
  6. Step 6: Final answer
    x = 10,000.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.