Home / 9,168.86-13,747.93-2,927.75

Finding the Fourth Proportional to 9,168.86, 13,747.93 and 2,927.75

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Solution

The fourth proportional to 9,168.86, 13,747.93 and 2,927.75 is: 4,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.86 : 13,747.93 = 2,927.75 : x
  2. Step 2: Convert to fraction form
    9,168.86/13,747.93 = 2,927.75/x
  3. Step 3: Cross multiply
    9,168.86x = 13,747.93 × 2,927.75
  4. Step 4: Simplify right side
    9,168.86x = 40,250,426.00
  5. Step 5: Solve for x
    x = 40,250,426.00/9,168.86
  6. Step 6: Final answer
    x = 4,389.90

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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.