Home / 12,266.24-18,401.72-3,948.35

Finding the Fourth Proportional to 12,266.24, 18,401.72 and 3,948.35

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Solution

The fourth proportional to 12,266.24, 18,401.72 and 3,948.35 is: 5,923.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.24 : 18,401.72 = 3,948.35 : x
  2. Step 2: Convert to fraction form
    12,266.24/18,401.72 = 3,948.35/x
  3. Step 3: Cross multiply
    12,266.24x = 18,401.72 × 3,948.35
  4. Step 4: Simplify right side
    12,266.24x = 72,656,319.41
  5. Step 5: Solve for x
    x = 72,656,319.41/12,266.24
  6. Step 6: Final answer
    x = 5,923.28

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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.