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Finding the Fourth Proportional to 8,508.06, 11,738.59 and 6,734.16

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Solution

The fourth proportional to 8,508.06, 11,738.59 and 6,734.16 is: 9,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.06 : 11,738.59 = 6,734.16 : x
  2. Step 2: Convert to fraction form
    8,508.06/11,738.59 = 6,734.16/x
  3. Step 3: Cross multiply
    8,508.06x = 11,738.59 × 6,734.16
  4. Step 4: Simplify right side
    8,508.06x = 79,049,526.40
  5. Step 5: Solve for x
    x = 79,049,526.40/8,508.06
  6. Step 6: Final answer
    x = 9,291.13

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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.