Home / 10,658.56-15,988.14-2,867.38

Finding the Fourth Proportional to 10,658.56, 15,988.14 and 2,867.38

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Solution

The fourth proportional to 10,658.56, 15,988.14 and 2,867.38 is: 4,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658.56 : 15,988.14 = 2,867.38 : x
  2. Step 2: Convert to fraction form
    10,658.56/15,988.14 = 2,867.38/x
  3. Step 3: Cross multiply
    10,658.56x = 15,988.14 × 2,867.38
  4. Step 4: Simplify right side
    10,658.56x = 45,844,072.87
  5. Step 5: Solve for x
    x = 45,844,072.87/10,658.56
  6. Step 6: Final answer
    x = 4,301.15

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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.