Home / 10,126.26-13,977.36-6,149.16

Finding the Fourth Proportional to 10,126.26, 13,977.36 and 6,149.16

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Solution

The fourth proportional to 10,126.26, 13,977.36 and 6,149.16 is: 8,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.26 : 13,977.36 = 6,149.16 : x
  2. Step 2: Convert to fraction form
    10,126.26/13,977.36 = 6,149.16/x
  3. Step 3: Cross multiply
    10,126.26x = 13,977.36 × 6,149.16
  4. Step 4: Simplify right side
    10,126.26x = 85,949,023.02
  5. Step 5: Solve for x
    x = 85,949,023.02/10,126.26
  6. Step 6: Final answer
    x = 8,487.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.