Home / 7,885.08-11,824.18-4,186.42

Finding the Fourth Proportional to 7,885.08, 11,824.18 and 4,186.42

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Solution

The fourth proportional to 7,885.08, 11,824.18 and 4,186.42 is: 6,277.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.08 : 11,824.18 = 4,186.42 : x
  2. Step 2: Convert to fraction form
    7,885.08/11,824.18 = 4,186.42/x
  3. Step 3: Cross multiply
    7,885.08x = 11,824.18 × 4,186.42
  4. Step 4: Simplify right side
    7,885.08x = 49,500,943.61
  5. Step 5: Solve for x
    x = 49,500,943.61/7,885.08
  6. Step 6: Final answer
    x = 6,277.80

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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.