Home / 8,860.24-12,232.38-7,876.18

Finding the Fourth Proportional to 8,860.24, 12,232.38 and 7,876.18

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Solution

The fourth proportional to 8,860.24, 12,232.38 and 7,876.18 is: 10,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.24 : 12,232.38 = 7,876.18 : x
  2. Step 2: Convert to fraction form
    8,860.24/12,232.38 = 7,876.18/x
  3. Step 3: Cross multiply
    8,860.24x = 12,232.38 × 7,876.18
  4. Step 4: Simplify right side
    8,860.24x = 96,344,426.71
  5. Step 5: Solve for x
    x = 96,344,426.71/8,860.24
  6. Step 6: Final answer
    x = 10,873.79

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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.