Home / 9,348.60-12,887.49-6,691.44

Finding the Fourth Proportional to 9,348.60, 12,887.49 and 6,691.44

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Solution

The fourth proportional to 9,348.60, 12,887.49 and 6,691.44 is: 9,224.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,348.60 : 12,887.49 = 6,691.44 : x
  2. Step 2: Convert to fraction form
    9,348.60/12,887.49 = 6,691.44/x
  3. Step 3: Cross multiply
    9,348.60x = 12,887.49 × 6,691.44
  4. Step 4: Simplify right side
    9,348.60x = 86,235,866.09
  5. Step 5: Solve for x
    x = 86,235,866.09/9,348.60
  6. Step 6: Final answer
    x = 9,224.47

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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.