Home / 10,071.38-15,105.65-2,676.49

Finding the Fourth Proportional to 10,071.38, 15,105.65 and 2,676.49

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Solution

The fourth proportional to 10,071.38, 15,105.65 and 2,676.49 is: 4,014.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.38 : 15,105.65 = 2,676.49 : x
  2. Step 2: Convert to fraction form
    10,071.38/15,105.65 = 2,676.49/x
  3. Step 3: Cross multiply
    10,071.38x = 15,105.65 × 2,676.49
  4. Step 4: Simplify right side
    10,071.38x = 40,430,121.17
  5. Step 5: Solve for x
    x = 40,430,121.17/10,071.38
  6. Step 6: Final answer
    x = 4,014.36

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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.