Home / 10,750.90-14,841.26-7,171.82

Finding the Fourth Proportional to 10,750.90, 14,841.26 and 7,171.82

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Solution

The fourth proportional to 10,750.90, 14,841.26 and 7,171.82 is: 9,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.90 : 14,841.26 = 7,171.82 : x
  2. Step 2: Convert to fraction form
    10,750.90/14,841.26 = 7,171.82/x
  3. Step 3: Cross multiply
    10,750.90x = 14,841.26 × 7,171.82
  4. Step 4: Simplify right side
    10,750.90x = 106,438,845.29
  5. Step 5: Solve for x
    x = 106,438,845.29/10,750.90
  6. Step 6: Final answer
    x = 9,900.46

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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.