Home / 10,687.86-16,030.35-3,292.16

Finding the Fourth Proportional to 10,687.86, 16,030.35 and 3,292.16

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Solution

The fourth proportional to 10,687.86, 16,030.35 and 3,292.16 is: 4,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.86 : 16,030.35 = 3,292.16 : x
  2. Step 2: Convert to fraction form
    10,687.86/16,030.35 = 3,292.16/x
  3. Step 3: Cross multiply
    10,687.86x = 16,030.35 × 3,292.16
  4. Step 4: Simplify right side
    10,687.86x = 52,774,396.90
  5. Step 5: Solve for x
    x = 52,774,396.90/10,687.86
  6. Step 6: Final answer
    x = 4,937.79

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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.