Home / 12,554.20-17,325.34-7,517.46

Finding the Fourth Proportional to 12,554.20, 17,325.34 and 7,517.46

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Solution

The fourth proportional to 12,554.20, 17,325.34 and 7,517.46 is: 10,374.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.20 : 17,325.34 = 7,517.46 : x
  2. Step 2: Convert to fraction form
    12,554.20/17,325.34 = 7,517.46/x
  3. Step 3: Cross multiply
    12,554.20x = 17,325.34 × 7,517.46
  4. Step 4: Simplify right side
    12,554.20x = 130,242,550.44
  5. Step 5: Solve for x
    x = 130,242,550.44/12,554.20
  6. Step 6: Final answer
    x = 10,374.42

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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.