Home / 8,825.12-12,178.62-4,846.30

Finding the Fourth Proportional to 8,825.12, 12,178.62 and 4,846.30

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Solution

The fourth proportional to 8,825.12, 12,178.62 and 4,846.30 is: 6,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.12 : 12,178.62 = 4,846.30 : x
  2. Step 2: Convert to fraction form
    8,825.12/12,178.62 = 4,846.30/x
  3. Step 3: Cross multiply
    8,825.12x = 12,178.62 × 4,846.30
  4. Step 4: Simplify right side
    8,825.12x = 59,021,246.11
  5. Step 5: Solve for x
    x = 59,021,246.11/8,825.12
  6. Step 6: Final answer
    x = 6,687.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.