Home / 8,186.16-12,279.35-2,342.77

Finding the Fourth Proportional to 8,186.16, 12,279.35 and 2,342.77

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Solution

The fourth proportional to 8,186.16, 12,279.35 and 2,342.77 is: 3,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.16 : 12,279.35 = 2,342.77 : x
  2. Step 2: Convert to fraction form
    8,186.16/12,279.35 = 2,342.77/x
  3. Step 3: Cross multiply
    8,186.16x = 12,279.35 × 2,342.77
  4. Step 4: Simplify right side
    8,186.16x = 28,767,692.80
  5. Step 5: Solve for x
    x = 28,767,692.80/8,186.16
  6. Step 6: Final answer
    x = 3,514.19

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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.