Home / 8,769.68-12,104.24-5,235.12

Finding the Fourth Proportional to 8,769.68, 12,104.24 and 5,235.12

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Solution

The fourth proportional to 8,769.68, 12,104.24 and 5,235.12 is: 7,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.68 : 12,104.24 = 5,235.12 : x
  2. Step 2: Convert to fraction form
    8,769.68/12,104.24 = 5,235.12/x
  3. Step 3: Cross multiply
    8,769.68x = 12,104.24 × 5,235.12
  4. Step 4: Simplify right side
    8,769.68x = 63,367,148.91
  5. Step 5: Solve for x
    x = 63,367,148.91/8,769.68
  6. Step 6: Final answer
    x = 7,225.71

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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.