Home / 10,122.11-13,968.12-5,872.96

Finding the Fourth Proportional to 10,122.11, 13,968.12 and 5,872.96

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Solution

The fourth proportional to 10,122.11, 13,968.12 and 5,872.96 is: 8,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.11 : 13,968.12 = 5,872.96 : x
  2. Step 2: Convert to fraction form
    10,122.11/13,968.12 = 5,872.96/x
  3. Step 3: Cross multiply
    10,122.11x = 13,968.12 × 5,872.96
  4. Step 4: Simplify right side
    10,122.11x = 82,034,210.04
  5. Step 5: Solve for x
    x = 82,034,210.04/10,122.11
  6. Step 6: Final answer
    x = 8,104.46

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1.5x scale

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.