Home / 12,531.60-17,293.56-6,942.60

Finding the Fourth Proportional to 12,531.60, 17,293.56 and 6,942.60

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Solution

The fourth proportional to 12,531.60, 17,293.56 and 6,942.60 is: 9,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.60 : 17,293.56 = 6,942.60 : x
  2. Step 2: Convert to fraction form
    12,531.60/17,293.56 = 6,942.60/x
  3. Step 3: Cross multiply
    12,531.60x = 17,293.56 × 6,942.60
  4. Step 4: Simplify right side
    12,531.60x = 120,062,269.66
  5. Step 5: Solve for x
    x = 120,062,269.66/12,531.60
  6. Step 6: Final answer
    x = 9,580.76

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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.