Home / 15,077.10-22,615.65-5,217.90

Finding the Fourth Proportional to 15,077.10, 22,615.65 and 5,217.90

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Solution

The fourth proportional to 15,077.10, 22,615.65 and 5,217.90 is: 7,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.10 : 22,615.65 = 5,217.90 : x
  2. Step 2: Convert to fraction form
    15,077.10/22,615.65 = 5,217.90/x
  3. Step 3: Cross multiply
    15,077.10x = 22,615.65 × 5,217.90
  4. Step 4: Simplify right side
    15,077.10x = 118,006,200.14
  5. Step 5: Solve for x
    x = 118,006,200.14/15,077.10
  6. Step 6: Final answer
    x = 7,826.85

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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.