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Finding the Fourth Proportional to 8,347.92, 11,535.48 and 5,986.32

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Solution

The fourth proportional to 8,347.92, 11,535.48 and 5,986.32 is: 8,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.92 : 11,535.48 = 5,986.32 : x
  2. Step 2: Convert to fraction form
    8,347.92/11,535.48 = 5,986.32/x
  3. Step 3: Cross multiply
    8,347.92x = 11,535.48 × 5,986.32
  4. Step 4: Simplify right side
    8,347.92x = 69,055,074.63
  5. Step 5: Solve for x
    x = 69,055,074.63/8,347.92
  6. Step 6: Final answer
    x = 8,272.13

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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.