Home / 10,165.70-15,250.44-3,590.12

Finding the Fourth Proportional to 10,165.70, 15,250.44 and 3,590.12

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Solution

The fourth proportional to 10,165.70, 15,250.44 and 3,590.12 is: 5,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.70 : 15,250.44 = 3,590.12 : x
  2. Step 2: Convert to fraction form
    10,165.70/15,250.44 = 3,590.12/x
  3. Step 3: Cross multiply
    10,165.70x = 15,250.44 × 3,590.12
  4. Step 4: Simplify right side
    10,165.70x = 54,750,909.65
  5. Step 5: Solve for x
    x = 54,750,909.65/10,165.70
  6. Step 6: Final answer
    x = 5,385.85

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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.