Home / 10,147.88-15,222.90-2,752.04

Finding the Fourth Proportional to 10,147.88, 15,222.90 and 2,752.04

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Solution

The fourth proportional to 10,147.88, 15,222.90 and 2,752.04 is: 4,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.88 : 15,222.90 = 2,752.04 : x
  2. Step 2: Convert to fraction form
    10,147.88/15,222.90 = 2,752.04/x
  3. Step 3: Cross multiply
    10,147.88x = 15,222.90 × 2,752.04
  4. Step 4: Simplify right side
    10,147.88x = 41,894,029.72
  5. Step 5: Solve for x
    x = 41,894,029.72/10,147.88
  6. Step 6: Final answer
    x = 4,128.35

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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.