Home / 12,263.42-18,392.09-3,498.41

Finding the Fourth Proportional to 12,263.42, 18,392.09 and 3,498.41

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Solution

The fourth proportional to 12,263.42, 18,392.09 and 3,498.41 is: 5,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.42 : 18,392.09 = 3,498.41 : x
  2. Step 2: Convert to fraction form
    12,263.42/18,392.09 = 3,498.41/x
  3. Step 3: Cross multiply
    12,263.42x = 18,392.09 × 3,498.41
  4. Step 4: Simplify right side
    12,263.42x = 64,342,962.12
  5. Step 5: Solve for x
    x = 64,342,962.12/12,263.42
  6. Step 6: Final answer
    x = 5,246.74

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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.