Home / 10,917.59-16,376.27-4,672.31

Finding the Fourth Proportional to 10,917.59, 16,376.27 and 4,672.31

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Solution

The fourth proportional to 10,917.59, 16,376.27 and 4,672.31 is: 7,008.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.59 : 16,376.27 = 4,672.31 : x
  2. Step 2: Convert to fraction form
    10,917.59/16,376.27 = 4,672.31/x
  3. Step 3: Cross multiply
    10,917.59x = 16,376.27 × 4,672.31
  4. Step 4: Simplify right side
    10,917.59x = 76,514,904.84
  5. Step 5: Solve for x
    x = 76,514,904.84/10,917.59
  6. Step 6: Final answer
    x = 7,008.41

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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.