Home / 11,146.61-15,382.49-6,110.79

Finding the Fourth Proportional to 11,146.61, 15,382.49 and 6,110.79

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Solution

The fourth proportional to 11,146.61, 15,382.49 and 6,110.79 is: 8,432.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.61 : 15,382.49 = 6,110.79 : x
  2. Step 2: Convert to fraction form
    11,146.61/15,382.49 = 6,110.79/x
  3. Step 3: Cross multiply
    11,146.61x = 15,382.49 × 6,110.79
  4. Step 4: Simplify right side
    11,146.61x = 93,999,135.51
  5. Step 5: Solve for x
    x = 93,999,135.51/11,146.61
  6. Step 6: Final answer
    x = 8,432.98

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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.