Home / 10,211.01-15,311.09-3,545.83

Finding the Fourth Proportional to 10,211.01, 15,311.09 and 3,545.83

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Solution

The fourth proportional to 10,211.01, 15,311.09 and 3,545.83 is: 5,316.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.01 : 15,311.09 = 3,545.83 : x
  2. Step 2: Convert to fraction form
    10,211.01/15,311.09 = 3,545.83/x
  3. Step 3: Cross multiply
    10,211.01x = 15,311.09 × 3,545.83
  4. Step 4: Simplify right side
    10,211.01x = 54,290,522.25
  5. Step 5: Solve for x
    x = 54,290,522.25/10,211.01
  6. Step 6: Final answer
    x = 5,316.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.