Home / 11,146.08-15,382.20-6,110.16

Finding the Fourth Proportional to 11,146.08, 15,382.20 and 6,110.16

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Solution

The fourth proportional to 11,146.08, 15,382.20 and 6,110.16 is: 8,432.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.08 : 15,382.20 = 6,110.16 : x
  2. Step 2: Convert to fraction form
    11,146.08/15,382.20 = 6,110.16/x
  3. Step 3: Cross multiply
    11,146.08x = 15,382.20 × 6,110.16
  4. Step 4: Simplify right side
    11,146.08x = 93,987,703.15
  5. Step 5: Solve for x
    x = 93,987,703.15/11,146.08
  6. Step 6: Final answer
    x = 8,432.35

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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.