Home / 12,446.44-17,176.29-6,781.46

Finding the Fourth Proportional to 12,446.44, 17,176.29 and 6,781.46

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Solution

The fourth proportional to 12,446.44, 17,176.29 and 6,781.46 is: 9,358.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.44 : 17,176.29 = 6,781.46 : x
  2. Step 2: Convert to fraction form
    12,446.44/17,176.29 = 6,781.46/x
  3. Step 3: Cross multiply
    12,446.44x = 17,176.29 × 6,781.46
  4. Step 4: Simplify right side
    12,446.44x = 116,480,203.79
  5. Step 5: Solve for x
    x = 116,480,203.79/12,446.44
  6. Step 6: Final answer
    x = 9,358.52

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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.