Home / 11,146.19-15,383.30-6,898.61

Finding the Fourth Proportional to 11,146.19, 15,383.30 and 6,898.61

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Solution

The fourth proportional to 11,146.19, 15,383.30 and 6,898.61 is: 9,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.19 : 15,383.30 = 6,898.61 : x
  2. Step 2: Convert to fraction form
    11,146.19/15,383.30 = 6,898.61/x
  3. Step 3: Cross multiply
    11,146.19x = 15,383.30 × 6,898.61
  4. Step 4: Simplify right side
    11,146.19x = 106,123,327.54
  5. Step 5: Solve for x
    x = 106,123,327.54/11,146.19
  6. Step 6: Final answer
    x = 9,521.04

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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.