Home / 10,273.26-15,331.20-9,166

Finding the Fourth Proportional to 10,273.26, 15,331.20 and 9,166

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Solution

The fourth proportional to 10,273.26, 15,331.20 and 9,166 is: 13,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,273.26 : 15,331.20 = 9,166 : x
  2. Step 2: Convert to fraction form
    10,273.26/15,331.20 = 9,166/x
  3. Step 3: Cross multiply
    10,273.26x = 15,331.20 × 9,166
  4. Step 4: Simplify right side
    10,273.26x = 140,525,779.20
  5. Step 5: Solve for x
    x = 140,525,779.20/10,273.26
  6. Step 6: Final answer
    x = 13,678.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.