Home / 10,061.52-15,091.56-2,665.81

Finding the Fourth Proportional to 10,061.52, 15,091.56 and 2,665.81

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Solution

The fourth proportional to 10,061.52, 15,091.56 and 2,665.81 is: 3,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061.52 : 15,091.56 = 2,665.81 : x
  2. Step 2: Convert to fraction form
    10,061.52/15,091.56 = 2,665.81/x
  3. Step 3: Cross multiply
    10,061.52x = 15,091.56 × 2,665.81
  4. Step 4: Simplify right side
    10,061.52x = 40,231,231.56
  5. Step 5: Solve for x
    x = 40,231,231.56/10,061.52
  6. Step 6: Final answer
    x = 3,998.52

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1.5x scale

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.