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Finding the Fourth Proportional to 8,853.51, 12,217.86 and 4,874.93

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Solution

The fourth proportional to 8,853.51, 12,217.86 and 4,874.93 is: 6,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.51 : 12,217.86 = 4,874.93 : x
  2. Step 2: Convert to fraction form
    8,853.51/12,217.86 = 4,874.93/x
  3. Step 3: Cross multiply
    8,853.51x = 12,217.86 × 4,874.93
  4. Step 4: Simplify right side
    8,853.51x = 59,561,151.16
  5. Step 5: Solve for x
    x = 59,561,151.16/8,853.51
  6. Step 6: Final answer
    x = 6,727.41

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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.