Home / 11,665.80-17,488.17-4,265.10

Finding the Fourth Proportional to 11,665.80, 17,488.17 and 4,265.10

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Solution

The fourth proportional to 11,665.80, 17,488.17 and 4,265.10 is: 6,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665.80 : 17,488.17 = 4,265.10 : x
  2. Step 2: Convert to fraction form
    11,665.80/17,488.17 = 4,265.10/x
  3. Step 3: Cross multiply
    11,665.80x = 17,488.17 × 4,265.10
  4. Step 4: Simplify right side
    11,665.80x = 74,588,793.87
  5. Step 5: Solve for x
    x = 74,588,793.87/11,665.80
  6. Step 6: Final answer
    x = 6,393.80

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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.