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Finding the Fourth Proportional to 8,814.92, 12,164.97 and 5,277.45

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Solution

The fourth proportional to 8,814.92, 12,164.97 and 5,277.45 is: 7,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.92 : 12,164.97 = 5,277.45 : x
  2. Step 2: Convert to fraction form
    8,814.92/12,164.97 = 5,277.45/x
  3. Step 3: Cross multiply
    8,814.92x = 12,164.97 × 5,277.45
  4. Step 4: Simplify right side
    8,814.92x = 64,200,020.93
  5. Step 5: Solve for x
    x = 64,200,020.93/8,814.92
  6. Step 6: Final answer
    x = 7,283.11

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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.