Home / 12,266.46-18,400.08-3,946.74

Finding the Fourth Proportional to 12,266.46, 18,400.08 and 3,946.74

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Solution

The fourth proportional to 12,266.46, 18,400.08 and 3,946.74 is: 5,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.46 : 18,400.08 = 3,946.74 : x
  2. Step 2: Convert to fraction form
    12,266.46/18,400.08 = 3,946.74/x
  3. Step 3: Cross multiply
    12,266.46x = 18,400.08 × 3,946.74
  4. Step 4: Simplify right side
    12,266.46x = 72,620,331.74
  5. Step 5: Solve for x
    x = 72,620,331.74/12,266.46
  6. Step 6: Final answer
    x = 5,920.24

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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.