Home / 8,940.13-12,332.25-5,577.10

Finding the Fourth Proportional to 8,940.13, 12,332.25 and 5,577.10

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Solution

The fourth proportional to 8,940.13, 12,332.25 and 5,577.10 is: 7,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.13 : 12,332.25 = 5,577.10 : x
  2. Step 2: Convert to fraction form
    8,940.13/12,332.25 = 5,577.10/x
  3. Step 3: Cross multiply
    8,940.13x = 12,332.25 × 5,577.10
  4. Step 4: Simplify right side
    8,940.13x = 68,778,191.48
  5. Step 5: Solve for x
    x = 68,778,191.48/8,940.13
  6. Step 6: Final answer
    x = 7,693.20

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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.