Home / 10,972.75-16,459.32-3,577.18

Finding the Fourth Proportional to 10,972.75, 16,459.32 and 3,577.18

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Solution

The fourth proportional to 10,972.75, 16,459.32 and 3,577.18 is: 5,365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.75 : 16,459.32 = 3,577.18 : x
  2. Step 2: Convert to fraction form
    10,972.75/16,459.32 = 3,577.18/x
  3. Step 3: Cross multiply
    10,972.75x = 16,459.32 × 3,577.18
  4. Step 4: Simplify right side
    10,972.75x = 58,877,950.32
  5. Step 5: Solve for x
    x = 58,877,950.32/10,972.75
  6. Step 6: Final answer
    x = 5,365.83

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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.