Home / 11,182.20-16,784.10-5,641.80

Finding the Fourth Proportional to 11,182.20, 16,784.10 and 5,641.80

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Solution

The fourth proportional to 11,182.20, 16,784.10 and 5,641.80 is: 8,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.20 : 16,784.10 = 5,641.80 : x
  2. Step 2: Convert to fraction form
    11,182.20/16,784.10 = 5,641.80/x
  3. Step 3: Cross multiply
    11,182.20x = 16,784.10 × 5,641.80
  4. Step 4: Simplify right side
    11,182.20x = 94,692,535.38
  5. Step 5: Solve for x
    x = 94,692,535.38/11,182.20
  6. Step 6: Final answer
    x = 8,468.15

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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.