Home / 8,860.91-12,228.80-5,324.04

Finding the Fourth Proportional to 8,860.91, 12,228.80 and 5,324.04

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Solution

The fourth proportional to 8,860.91, 12,228.80 and 5,324.04 is: 7,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.91 : 12,228.80 = 5,324.04 : x
  2. Step 2: Convert to fraction form
    8,860.91/12,228.80 = 5,324.04/x
  3. Step 3: Cross multiply
    8,860.91x = 12,228.80 × 5,324.04
  4. Step 4: Simplify right side
    8,860.91x = 65,106,593.73
  5. Step 5: Solve for x
    x = 65,106,593.73/8,860.91
  6. Step 6: Final answer
    x = 7,347.62

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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.