Home / 8,125.07-12,186.65-2,282.18

Finding the Fourth Proportional to 8,125.07, 12,186.65 and 2,282.18

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Solution

The fourth proportional to 8,125.07, 12,186.65 and 2,282.18 is: 3,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.07 : 12,186.65 = 2,282.18 : x
  2. Step 2: Convert to fraction form
    8,125.07/12,186.65 = 2,282.18/x
  3. Step 3: Cross multiply
    8,125.07x = 12,186.65 × 2,282.18
  4. Step 4: Simplify right side
    8,125.07x = 27,812,073.67
  5. Step 5: Solve for x
    x = 27,812,073.67/8,125.07
  6. Step 6: Final answer
    x = 3,423.00

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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.