Home / 12,199.36-18,306.56-5,626.06

Finding the Fourth Proportional to 12,199.36, 18,306.56 and 5,626.06

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Solution

The fourth proportional to 12,199.36, 18,306.56 and 5,626.06 is: 8,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.36 : 18,306.56 = 5,626.06 : x
  2. Step 2: Convert to fraction form
    12,199.36/18,306.56 = 5,626.06/x
  3. Step 3: Cross multiply
    12,199.36x = 18,306.56 × 5,626.06
  4. Step 4: Simplify right side
    12,199.36x = 102,993,741.61
  5. Step 5: Solve for x
    x = 102,993,741.61/12,199.36
  6. Step 6: Final answer
    x = 8,442.55

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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.