Home / 11,710.50-17,572.66-4,320.12

Finding the Fourth Proportional to 11,710.50, 17,572.66 and 4,320.12

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Solution

The fourth proportional to 11,710.50, 17,572.66 and 4,320.12 is: 6,482.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,710.50 : 17,572.66 = 4,320.12 : x
  2. Step 2: Convert to fraction form
    11,710.50/17,572.66 = 4,320.12/x
  3. Step 3: Cross multiply
    11,710.50x = 17,572.66 × 4,320.12
  4. Step 4: Simplify right side
    11,710.50x = 75,915,999.92
  5. Step 5: Solve for x
    x = 75,915,999.92/11,710.50
  6. Step 6: Final answer
    x = 6,482.73

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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.