Home / 12,356.46-18,534.65-3,591.59

Finding the Fourth Proportional to 12,356.46, 18,534.65 and 3,591.59

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Solution

The fourth proportional to 12,356.46, 18,534.65 and 3,591.59 is: 5,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.46 : 18,534.65 = 3,591.59 : x
  2. Step 2: Convert to fraction form
    12,356.46/18,534.65 = 3,591.59/x
  3. Step 3: Cross multiply
    12,356.46x = 18,534.65 × 3,591.59
  4. Step 4: Simplify right side
    12,356.46x = 66,568,752.96
  5. Step 5: Solve for x
    x = 66,568,752.96/12,356.46
  6. Step 6: Final answer
    x = 5,387.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.