Home / 10,917.53-16,376.38-4,672.28

Finding the Fourth Proportional to 10,917.53, 16,376.38 and 4,672.28

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Solution

The fourth proportional to 10,917.53, 16,376.38 and 4,672.28 is: 7,008.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.53 : 16,376.38 = 4,672.28 : x
  2. Step 2: Convert to fraction form
    10,917.53/16,376.38 = 4,672.28/x
  3. Step 3: Cross multiply
    10,917.53x = 16,376.38 × 4,672.28
  4. Step 4: Simplify right side
    10,917.53x = 76,515,062.01
  5. Step 5: Solve for x
    x = 76,515,062.01/10,917.53
  6. Step 6: Final answer
    x = 7,008.46

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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.