Home / 10,854.26-14,977.27-6,138.44

Finding the Fourth Proportional to 10,854.26, 14,977.27 and 6,138.44

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Solution

The fourth proportional to 10,854.26, 14,977.27 and 6,138.44 is: 8,470.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.26 : 14,977.27 = 6,138.44 : x
  2. Step 2: Convert to fraction form
    10,854.26/14,977.27 = 6,138.44/x
  3. Step 3: Cross multiply
    10,854.26x = 14,977.27 × 6,138.44
  4. Step 4: Simplify right side
    10,854.26x = 91,937,073.26
  5. Step 5: Solve for x
    x = 91,937,073.26/10,854.26
  6. Step 6: Final answer
    x = 8,470.14

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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.