Home / 11,180.31-15,429.65-6,703.97

Finding the Fourth Proportional to 11,180.31, 15,429.65 and 6,703.97

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Solution

The fourth proportional to 11,180.31, 15,429.65 and 6,703.97 is: 9,251.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.31 : 15,429.65 = 6,703.97 : x
  2. Step 2: Convert to fraction form
    11,180.31/15,429.65 = 6,703.97/x
  3. Step 3: Cross multiply
    11,180.31x = 15,429.65 × 6,703.97
  4. Step 4: Simplify right side
    11,180.31x = 103,439,800.04
  5. Step 5: Solve for x
    x = 103,439,800.04/11,180.31
  6. Step 6: Final answer
    x = 9,251.96

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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.