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Finding the Fourth Proportional to 7,916.44, 11,874.69 and 7,002.76

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Solution

The fourth proportional to 7,916.44, 11,874.69 and 7,002.76 is: 10,504.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.44 : 11,874.69 = 7,002.76 : x
  2. Step 2: Convert to fraction form
    7,916.44/11,874.69 = 7,002.76/x
  3. Step 3: Cross multiply
    7,916.44x = 11,874.69 × 7,002.76
  4. Step 4: Simplify right side
    7,916.44x = 83,155,604.14
  5. Step 5: Solve for x
    x = 83,155,604.14/7,916.44
  6. Step 6: Final answer
    x = 10,504.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.