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Finding the Fourth Proportional to 8,486.04, 11,711.26 and 5,648.52

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Solution

The fourth proportional to 8,486.04, 11,711.26 and 5,648.52 is: 7,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.04 : 11,711.26 = 5,648.52 : x
  2. Step 2: Convert to fraction form
    8,486.04/11,711.26 = 5,648.52/x
  3. Step 3: Cross multiply
    8,486.04x = 11,711.26 × 5,648.52
  4. Step 4: Simplify right side
    8,486.04x = 66,151,286.34
  5. Step 5: Solve for x
    x = 66,151,286.34/8,486.04
  6. Step 6: Final answer
    x = 7,795.31

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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.