Home / 12,342.47-17,032.52-6,677.19

Finding the Fourth Proportional to 12,342.47, 17,032.52 and 6,677.19

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Solution

The fourth proportional to 12,342.47, 17,032.52 and 6,677.19 is: 9,214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.47 : 17,032.52 = 6,677.19 : x
  2. Step 2: Convert to fraction form
    12,342.47/17,032.52 = 6,677.19/x
  3. Step 3: Cross multiply
    12,342.47x = 17,032.52 × 6,677.19
  4. Step 4: Simplify right side
    12,342.47x = 113,729,372.22
  5. Step 5: Solve for x
    x = 113,729,372.22/12,342.47
  6. Step 6: Final answer
    x = 9,214.48

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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.