Home / 11,146.68-15,382.36-6,111.11

Finding the Fourth Proportional to 11,146.68, 15,382.36 and 6,111.11

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Solution

The fourth proportional to 11,146.68, 15,382.36 and 6,111.11 is: 8,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.68 : 15,382.36 = 6,111.11 : x
  2. Step 2: Convert to fraction form
    11,146.68/15,382.36 = 6,111.11/x
  3. Step 3: Cross multiply
    11,146.68x = 15,382.36 × 6,111.11
  4. Step 4: Simplify right side
    11,146.68x = 94,003,294.02
  5. Step 5: Solve for x
    x = 94,003,294.02/11,146.68
  6. Step 6: Final answer
    x = 8,433.30

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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.