Home / 10,917.88-15,051.40-9,232.52

Finding the Fourth Proportional to 10,917.88, 15,051.40 and 9,232.52

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Solution

The fourth proportional to 10,917.88, 15,051.40 and 9,232.52 is: 12,727.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.88 : 15,051.40 = 9,232.52 : x
  2. Step 2: Convert to fraction form
    10,917.88/15,051.40 = 9,232.52/x
  3. Step 3: Cross multiply
    10,917.88x = 15,051.40 × 9,232.52
  4. Step 4: Simplify right side
    10,917.88x = 138,962,351.53
  5. Step 5: Solve for x
    x = 138,962,351.53/10,917.88
  6. Step 6: Final answer
    x = 12,727.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.