Home / 8,207.77-12,311.67-2,364.85

Finding the Fourth Proportional to 8,207.77, 12,311.67 and 2,364.85

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Solution

The fourth proportional to 8,207.77, 12,311.67 and 2,364.85 is: 3,547.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.77 : 12,311.67 = 2,364.85 : x
  2. Step 2: Convert to fraction form
    8,207.77/12,311.67 = 2,364.85/x
  3. Step 3: Cross multiply
    8,207.77x = 12,311.67 × 2,364.85
  4. Step 4: Simplify right side
    8,207.77x = 29,115,252.80
  5. Step 5: Solve for x
    x = 29,115,252.80/8,207.77
  6. Step 6: Final answer
    x = 3,547.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.