Home / 12,247.15-18,369.74-3,924.93

Finding the Fourth Proportional to 12,247.15, 18,369.74 and 3,924.93

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Solution

The fourth proportional to 12,247.15, 18,369.74 and 3,924.93 is: 5,887.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.15 : 18,369.74 = 3,924.93 : x
  2. Step 2: Convert to fraction form
    12,247.15/18,369.74 = 3,924.93/x
  3. Step 3: Cross multiply
    12,247.15x = 18,369.74 × 3,924.93
  4. Step 4: Simplify right side
    12,247.15x = 72,099,948.57
  5. Step 5: Solve for x
    x = 72,099,948.57/12,247.15
  6. Step 6: Final answer
    x = 5,887.08

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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.