Home / 8,577.11-11,828.49-5,591.45

Finding the Fourth Proportional to 8,577.11, 11,828.49 and 5,591.45

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Solution

The fourth proportional to 8,577.11, 11,828.49 and 5,591.45 is: 7,711.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.11 : 11,828.49 = 5,591.45 : x
  2. Step 2: Convert to fraction form
    8,577.11/11,828.49 = 5,591.45/x
  3. Step 3: Cross multiply
    8,577.11x = 11,828.49 × 5,591.45
  4. Step 4: Simplify right side
    8,577.11x = 66,138,410.41
  5. Step 5: Solve for x
    x = 66,138,410.41/8,577.11
  6. Step 6: Final answer
    x = 7,711.04

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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.