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Finding the Fourth Proportional to 11,055.76, 15,256.94 and 6,087.76

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Solution

The fourth proportional to 11,055.76, 15,256.94 and 6,087.76 is: 8,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.76 : 15,256.94 = 6,087.76 : x
  2. Step 2: Convert to fraction form
    11,055.76/15,256.94 = 6,087.76/x
  3. Step 3: Cross multiply
    11,055.76x = 15,256.94 × 6,087.76
  4. Step 4: Simplify right side
    11,055.76x = 92,880,589.05
  5. Step 5: Solve for x
    x = 92,880,589.05/11,055.76
  6. Step 6: Final answer
    x = 8,401.10

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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.