Home / 12,197.66-18,301.95-5,620.32

Finding the Fourth Proportional to 12,197.66, 18,301.95 and 5,620.32

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Solution

The fourth proportional to 12,197.66, 18,301.95 and 5,620.32 is: 8,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.66 : 18,301.95 = 5,620.32 : x
  2. Step 2: Convert to fraction form
    12,197.66/18,301.95 = 5,620.32/x
  3. Step 3: Cross multiply
    12,197.66x = 18,301.95 × 5,620.32
  4. Step 4: Simplify right side
    12,197.66x = 102,862,815.62
  5. Step 5: Solve for x
    x = 102,862,815.62/12,197.66
  6. Step 6: Final answer
    x = 8,433.00

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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.