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Finding the Fourth Proportional to 7,953.18, 11,916.78 and 4,834.14

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Solution

The fourth proportional to 7,953.18, 11,916.78 and 4,834.14 is: 7,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.18 : 11,916.78 = 4,834.14 : x
  2. Step 2: Convert to fraction form
    7,953.18/11,916.78 = 4,834.14/x
  3. Step 3: Cross multiply
    7,953.18x = 11,916.78 × 4,834.14
  4. Step 4: Simplify right side
    7,953.18x = 57,607,382.87
  5. Step 5: Solve for x
    x = 57,607,382.87/7,953.18
  6. Step 6: Final answer
    x = 7,243.31

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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.