Home / 8,853.08-12,218.58-6,725.11

Finding the Fourth Proportional to 8,853.08, 12,218.58 and 6,725.11

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Solution

The fourth proportional to 8,853.08, 12,218.58 and 6,725.11 is: 9,281.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.08 : 12,218.58 = 6,725.11 : x
  2. Step 2: Convert to fraction form
    8,853.08/12,218.58 = 6,725.11/x
  3. Step 3: Cross multiply
    8,853.08x = 12,218.58 × 6,725.11
  4. Step 4: Simplify right side
    8,853.08x = 82,171,306.89
  5. Step 5: Solve for x
    x = 82,171,306.89/8,853.08
  6. Step 6: Final answer
    x = 9,281.66

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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.