Home / 12,461.45-17,194.84-7,425.55

Finding the Fourth Proportional to 12,461.45, 17,194.84 and 7,425.55

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Solution

The fourth proportional to 12,461.45, 17,194.84 and 7,425.55 is: 10,246.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.45 : 17,194.84 = 7,425.55 : x
  2. Step 2: Convert to fraction form
    12,461.45/17,194.84 = 7,425.55/x
  3. Step 3: Cross multiply
    12,461.45x = 17,194.84 × 7,425.55
  4. Step 4: Simplify right side
    12,461.45x = 127,681,082.61
  5. Step 5: Solve for x
    x = 127,681,082.61/12,461.45
  6. Step 6: Final answer
    x = 10,246.08

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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.