Home / 10,091.18-15,147.66-7,652.64

Finding the Fourth Proportional to 10,091.18, 15,147.66 and 7,652.64

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Solution

The fourth proportional to 10,091.18, 15,147.66 and 7,652.64 is: 11,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.18 : 15,147.66 = 7,652.64 : x
  2. Step 2: Convert to fraction form
    10,091.18/15,147.66 = 7,652.64/x
  3. Step 3: Cross multiply
    10,091.18x = 15,147.66 × 7,652.64
  4. Step 4: Simplify right side
    10,091.18x = 115,919,588.82
  5. Step 5: Solve for x
    x = 115,919,588.82/10,091.18
  6. Step 6: Final answer
    x = 11,487.22

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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.