Home / 7,502.20-11,225.04-4,489.12

Finding the Fourth Proportional to 7,502.20, 11,225.04 and 4,489.12

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Solution

The fourth proportional to 7,502.20, 11,225.04 and 4,489.12 is: 6,716.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.20 : 11,225.04 = 4,489.12 : x
  2. Step 2: Convert to fraction form
    7,502.20/11,225.04 = 4,489.12/x
  3. Step 3: Cross multiply
    7,502.20x = 11,225.04 × 4,489.12
  4. Step 4: Simplify right side
    7,502.20x = 50,390,551.56
  5. Step 5: Solve for x
    x = 50,390,551.56/7,502.20
  6. Step 6: Final answer
    x = 6,716.77

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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.