Home / 11,146.21-15,381.74-6,110.64

Finding the Fourth Proportional to 11,146.21, 15,381.74 and 6,110.64

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Solution

The fourth proportional to 11,146.21, 15,381.74 and 6,110.64 is: 8,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.21 : 15,381.74 = 6,110.64 : x
  2. Step 2: Convert to fraction form
    11,146.21/15,381.74 = 6,110.64/x
  3. Step 3: Cross multiply
    11,146.21x = 15,381.74 × 6,110.64
  4. Step 4: Simplify right side
    11,146.21x = 93,992,245.16
  5. Step 5: Solve for x
    x = 93,992,245.16/11,146.21
  6. Step 6: Final answer
    x = 8,432.66

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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.