Home / 11,332.60-16,998.90-8,567.80

Finding the Fourth Proportional to 11,332.60, 16,998.90 and 8,567.80

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Solution

The fourth proportional to 11,332.60, 16,998.90 and 8,567.80 is: 12,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.60 : 16,998.90 = 8,567.80 : x
  2. Step 2: Convert to fraction form
    11,332.60/16,998.90 = 8,567.80/x
  3. Step 3: Cross multiply
    11,332.60x = 16,998.90 × 8,567.80
  4. Step 4: Simplify right side
    11,332.60x = 145,643,175.42
  5. Step 5: Solve for x
    x = 145,643,175.42/11,332.60
  6. Step 6: Final answer
    x = 12,851.70

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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.