Home / 11,247.45-16,869.11-5,002.20

Finding the Fourth Proportional to 11,247.45, 16,869.11 and 5,002.20

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Solution

The fourth proportional to 11,247.45, 16,869.11 and 5,002.20 is: 7,502.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.45 : 16,869.11 = 5,002.20 : x
  2. Step 2: Convert to fraction form
    11,247.45/16,869.11 = 5,002.20/x
  3. Step 3: Cross multiply
    11,247.45x = 16,869.11 × 5,002.20
  4. Step 4: Simplify right side
    11,247.45x = 84,382,674.55
  5. Step 5: Solve for x
    x = 84,382,674.55/11,247.45
  6. Step 6: Final answer
    x = 7,502.38

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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.