Home / 12,352.38-17,043.80-7,046.21

Finding the Fourth Proportional to 12,352.38, 17,043.80 and 7,046.21

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Solution

The fourth proportional to 12,352.38, 17,043.80 and 7,046.21 is: 9,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.38 : 17,043.80 = 7,046.21 : x
  2. Step 2: Convert to fraction form
    12,352.38/17,043.80 = 7,046.21/x
  3. Step 3: Cross multiply
    12,352.38x = 17,043.80 × 7,046.21
  4. Step 4: Simplify right side
    12,352.38x = 120,094,073.55
  5. Step 5: Solve for x
    x = 120,094,073.55/12,352.38
  6. Step 6: Final answer
    x = 9,722.34

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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.