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Finding the Fourth Proportional to 8,849.97, 12,214.13 and 5,313.41

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Solution

The fourth proportional to 8,849.97, 12,214.13 and 5,313.41 is: 7,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.97 : 12,214.13 = 5,313.41 : x
  2. Step 2: Convert to fraction form
    8,849.97/12,214.13 = 5,313.41/x
  3. Step 3: Cross multiply
    8,849.97x = 12,214.13 × 5,313.41
  4. Step 4: Simplify right side
    8,849.97x = 64,898,638.65
  5. Step 5: Solve for x
    x = 64,898,638.65/8,849.97
  6. Step 6: Final answer
    x = 7,333.20

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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.