Home / 11,146.36-15,382.16-6,110.48

Finding the Fourth Proportional to 11,146.36, 15,382.16 and 6,110.48

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Solution

The fourth proportional to 11,146.36, 15,382.16 and 6,110.48 is: 8,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.36 : 15,382.16 = 6,110.48 : x
  2. Step 2: Convert to fraction form
    11,146.36/15,382.16 = 6,110.48/x
  3. Step 3: Cross multiply
    11,146.36x = 15,382.16 × 6,110.48
  4. Step 4: Simplify right side
    11,146.36x = 93,992,381.04
  5. Step 5: Solve for x
    x = 93,992,381.04/11,146.36
  6. Step 6: Final answer
    x = 8,432.56

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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.