Home / 10,061.15-15,091.72-3,821.16

Finding the Fourth Proportional to 10,061.15, 15,091.72 and 3,821.16

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Solution

The fourth proportional to 10,061.15, 15,091.72 and 3,821.16 is: 5,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061.15 : 15,091.72 = 3,821.16 : x
  2. Step 2: Convert to fraction form
    10,061.15/15,091.72 = 3,821.16/x
  3. Step 3: Cross multiply
    10,061.15x = 15,091.72 × 3,821.16
  4. Step 4: Simplify right side
    10,061.15x = 57,667,945.33
  5. Step 5: Solve for x
    x = 57,667,945.33/10,061.15
  6. Step 6: Final answer
    x = 5,731.74

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Similar ratio
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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.