Home / 11,180.38-15,429.54-6,707.29

Finding the Fourth Proportional to 11,180.38, 15,429.54 and 6,707.29

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Solution

The fourth proportional to 11,180.38, 15,429.54 and 6,707.29 is: 9,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.38 : 15,429.54 = 6,707.29 : x
  2. Step 2: Convert to fraction form
    11,180.38/15,429.54 = 6,707.29/x
  3. Step 3: Cross multiply
    11,180.38x = 15,429.54 × 6,707.29
  4. Step 4: Simplify right side
    11,180.38x = 103,490,399.35
  5. Step 5: Solve for x
    x = 103,490,399.35/11,180.38
  6. Step 6: Final answer
    x = 9,256.43

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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.