Home / 10,294.10-15,441.15-5,110.10

Finding the Fourth Proportional to 10,294.10, 15,441.15 and 5,110.10

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Solution

The fourth proportional to 10,294.10, 15,441.15 and 5,110.10 is: 7,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,294.10 : 15,441.15 = 5,110.10 : x
  2. Step 2: Convert to fraction form
    10,294.10/15,441.15 = 5,110.10/x
  3. Step 3: Cross multiply
    10,294.10x = 15,441.15 × 5,110.10
  4. Step 4: Simplify right side
    10,294.10x = 78,905,820.62
  5. Step 5: Solve for x
    x = 78,905,820.62/10,294.10
  6. Step 6: Final answer
    x = 7,665.15

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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.