Home / 9,644.91-13,308.30-5,666.85

Finding the Fourth Proportional to 9,644.91, 13,308.30 and 5,666.85

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Solution

The fourth proportional to 9,644.91, 13,308.30 and 5,666.85 is: 7,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,644.91 : 13,308.30 = 5,666.85 : x
  2. Step 2: Convert to fraction form
    9,644.91/13,308.30 = 5,666.85/x
  3. Step 3: Cross multiply
    9,644.91x = 13,308.30 × 5,666.85
  4. Step 4: Simplify right side
    9,644.91x = 75,416,139.86
  5. Step 5: Solve for x
    x = 75,416,139.86/9,644.91
  6. Step 6: Final answer
    x = 7,819.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.