Home / 10,046.70-15,072.45-5,117.10

Finding the Fourth Proportional to 10,046.70, 15,072.45 and 5,117.10

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Solution

The fourth proportional to 10,046.70, 15,072.45 and 5,117.10 is: 7,676.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,046.70 : 15,072.45 = 5,117.10 : x
  2. Step 2: Convert to fraction form
    10,046.70/15,072.45 = 5,117.10/x
  3. Step 3: Cross multiply
    10,046.70x = 15,072.45 × 5,117.10
  4. Step 4: Simplify right side
    10,046.70x = 77,127,233.90
  5. Step 5: Solve for x
    x = 77,127,233.90/10,046.70
  6. Step 6: Final answer
    x = 7,676.87

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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.