Home / 12,382.83-18,579.11-4,597.11

Finding the Fourth Proportional to 12,382.83, 18,579.11 and 4,597.11

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Solution

The fourth proportional to 12,382.83, 18,579.11 and 4,597.11 is: 6,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382.83 : 18,579.11 = 4,597.11 : x
  2. Step 2: Convert to fraction form
    12,382.83/18,579.11 = 4,597.11/x
  3. Step 3: Cross multiply
    12,382.83x = 18,579.11 × 4,597.11
  4. Step 4: Simplify right side
    12,382.83x = 85,410,189.39
  5. Step 5: Solve for x
    x = 85,410,189.39/12,382.83
  6. Step 6: Final answer
    x = 6,897.47

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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.