Home / 10,807.66-16,218.78-4,233.02

Finding the Fourth Proportional to 10,807.66, 16,218.78 and 4,233.02

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Solution

The fourth proportional to 10,807.66, 16,218.78 and 4,233.02 is: 6,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,807.66 : 16,218.78 = 4,233.02 : x
  2. Step 2: Convert to fraction form
    10,807.66/16,218.78 = 4,233.02/x
  3. Step 3: Cross multiply
    10,807.66x = 16,218.78 × 4,233.02
  4. Step 4: Simplify right side
    10,807.66x = 68,654,398.95
  5. Step 5: Solve for x
    x = 68,654,398.95/10,807.66
  6. Step 6: Final answer
    x = 6,352.39

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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.