Home / 10,666.48-16,001.61-3,644.85

Finding the Fourth Proportional to 10,666.48, 16,001.61 and 3,644.85

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Solution

The fourth proportional to 10,666.48, 16,001.61 and 3,644.85 is: 5,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.48 : 16,001.61 = 3,644.85 : x
  2. Step 2: Convert to fraction form
    10,666.48/16,001.61 = 3,644.85/x
  3. Step 3: Cross multiply
    10,666.48x = 16,001.61 × 3,644.85
  4. Step 4: Simplify right side
    10,666.48x = 58,323,449.98
  5. Step 5: Solve for x
    x = 58,323,449.98/10,666.48
  6. Step 6: Final answer
    x = 5,467.92

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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.