Home / 12,199.66-18,304.95-5,622.32

Finding the Fourth Proportional to 12,199.66, 18,304.95 and 5,622.32

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Solution

The fourth proportional to 12,199.66, 18,304.95 and 5,622.32 is: 8,436.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.66 : 18,304.95 = 5,622.32 : x
  2. Step 2: Convert to fraction form
    12,199.66/18,304.95 = 5,622.32/x
  3. Step 3: Cross multiply
    12,199.66x = 18,304.95 × 5,622.32
  4. Step 4: Simplify right side
    12,199.66x = 102,916,286.48
  5. Step 5: Solve for x
    x = 102,916,286.48/12,199.66
  6. Step 6: Final answer
    x = 8,436.00

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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.