Home / 10,320.12-15,482.04-3,755.52

Finding the Fourth Proportional to 10,320.12, 15,482.04 and 3,755.52

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Solution

The fourth proportional to 10,320.12, 15,482.04 and 3,755.52 is: 5,633.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.12 : 15,482.04 = 3,755.52 : x
  2. Step 2: Convert to fraction form
    10,320.12/15,482.04 = 3,755.52/x
  3. Step 3: Cross multiply
    10,320.12x = 15,482.04 × 3,755.52
  4. Step 4: Simplify right side
    10,320.12x = 58,143,110.86
  5. Step 5: Solve for x
    x = 58,143,110.86/10,320.12
  6. Step 6: Final answer
    x = 5,633.96

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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.