Home / 8,275.82-12,401.58-6,186.02

Finding the Fourth Proportional to 8,275.82, 12,401.58 and 6,186.02

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Solution

The fourth proportional to 8,275.82, 12,401.58 and 6,186.02 is: 9,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.82 : 12,401.58 = 6,186.02 : x
  2. Step 2: Convert to fraction form
    8,275.82/12,401.58 = 6,186.02/x
  3. Step 3: Cross multiply
    8,275.82x = 12,401.58 × 6,186.02
  4. Step 4: Simplify right side
    8,275.82x = 76,716,421.91
  5. Step 5: Solve for x
    x = 76,716,421.91/8,275.82
  6. Step 6: Final answer
    x = 9,269.95

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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.