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Finding the Fourth Proportional to 8,486.16, 11,710.76 and 4,760.08

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Solution

The fourth proportional to 8,486.16, 11,710.76 and 4,760.08 is: 6,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.16 : 11,710.76 = 4,760.08 : x
  2. Step 2: Convert to fraction form
    8,486.16/11,710.76 = 4,760.08/x
  3. Step 3: Cross multiply
    8,486.16x = 11,710.76 × 4,760.08
  4. Step 4: Simplify right side
    8,486.16x = 55,744,154.46
  5. Step 5: Solve for x
    x = 55,744,154.46/8,486.16
  6. Step 6: Final answer
    x = 6,568.83

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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.