Home / 11,146.16-15,381.60-6,110.33

Finding the Fourth Proportional to 11,146.16, 15,381.60 and 6,110.33

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Solution

The fourth proportional to 11,146.16, 15,381.60 and 6,110.33 is: 8,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.16 : 15,381.60 = 6,110.33 : x
  2. Step 2: Convert to fraction form
    11,146.16/15,381.60 = 6,110.33/x
  3. Step 3: Cross multiply
    11,146.16x = 15,381.60 × 6,110.33
  4. Step 4: Simplify right side
    11,146.16x = 93,986,575.02
  5. Step 5: Solve for x
    x = 93,986,575.02/11,146.16
  6. Step 6: Final answer
    x = 8,432.20

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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.