Home / 9,132.08-12,604.68-5,355.80

Finding the Fourth Proportional to 9,132.08, 12,604.68 and 5,355.80

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Solution

The fourth proportional to 9,132.08, 12,604.68 and 5,355.80 is: 7,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.08 : 12,604.68 = 5,355.80 : x
  2. Step 2: Convert to fraction form
    9,132.08/12,604.68 = 5,355.80/x
  3. Step 3: Cross multiply
    9,132.08x = 12,604.68 × 5,355.80
  4. Step 4: Simplify right side
    9,132.08x = 67,508,145.14
  5. Step 5: Solve for x
    x = 67,508,145.14/9,132.08
  6. Step 6: Final answer
    x = 7,392.42

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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.