Home / 8,788.24-12,127.26-5,251.42

Finding the Fourth Proportional to 8,788.24, 12,127.26 and 5,251.42

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Solution

The fourth proportional to 8,788.24, 12,127.26 and 5,251.42 is: 7,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.24 : 12,127.26 = 5,251.42 : x
  2. Step 2: Convert to fraction form
    8,788.24/12,127.26 = 5,251.42/x
  3. Step 3: Cross multiply
    8,788.24x = 12,127.26 × 5,251.42
  4. Step 4: Simplify right side
    8,788.24x = 63,685,335.71
  5. Step 5: Solve for x
    x = 63,685,335.71/8,788.24
  6. Step 6: Final answer
    x = 7,246.65

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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.