Home / 10,912.75-16,365.30-4,337.17

Finding the Fourth Proportional to 10,912.75, 16,365.30 and 4,337.17

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Solution

The fourth proportional to 10,912.75, 16,365.30 and 4,337.17 is: 6,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.75 : 16,365.30 = 4,337.17 : x
  2. Step 2: Convert to fraction form
    10,912.75/16,365.30 = 4,337.17/x
  3. Step 3: Cross multiply
    10,912.75x = 16,365.30 × 4,337.17
  4. Step 4: Simplify right side
    10,912.75x = 70,979,088.20
  5. Step 5: Solve for x
    x = 70,979,088.20/10,912.75
  6. Step 6: Final answer
    x = 6,504.23

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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.