Home / 12,135.28-16,748.97-7,600.06

Finding the Fourth Proportional to 12,135.28, 16,748.97 and 7,600.06

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Solution

The fourth proportional to 12,135.28, 16,748.97 and 7,600.06 is: 10,489.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135.28 : 16,748.97 = 7,600.06 : x
  2. Step 2: Convert to fraction form
    12,135.28/16,748.97 = 7,600.06/x
  3. Step 3: Cross multiply
    12,135.28x = 16,748.97 × 7,600.06
  4. Step 4: Simplify right side
    12,135.28x = 127,293,176.94
  5. Step 5: Solve for x
    x = 127,293,176.94/12,135.28
  6. Step 6: Final answer
    x = 10,489.51

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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.