Home / 11,080.66-15,290.71-6,364.95

Finding the Fourth Proportional to 11,080.66, 15,290.71 and 6,364.95

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Solution

The fourth proportional to 11,080.66, 15,290.71 and 6,364.95 is: 8,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.66 : 15,290.71 = 6,364.95 : x
  2. Step 2: Convert to fraction form
    11,080.66/15,290.71 = 6,364.95/x
  3. Step 3: Cross multiply
    11,080.66x = 15,290.71 × 6,364.95
  4. Step 4: Simplify right side
    11,080.66x = 97,324,604.61
  5. Step 5: Solve for x
    x = 97,324,604.61/11,080.66
  6. Step 6: Final answer
    x = 8,783.29

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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.