Home / 12,252.63-18,378.94-5,327.13

Finding the Fourth Proportional to 12,252.63, 18,378.94 and 5,327.13

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Solution

The fourth proportional to 12,252.63, 18,378.94 and 5,327.13 is: 7,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.63 : 18,378.94 = 5,327.13 : x
  2. Step 2: Convert to fraction form
    12,252.63/18,378.94 = 5,327.13/x
  3. Step 3: Cross multiply
    12,252.63x = 18,378.94 × 5,327.13
  4. Step 4: Simplify right side
    12,252.63x = 97,907,002.64
  5. Step 5: Solve for x
    x = 97,907,002.64/12,252.63
  6. Step 6: Final answer
    x = 7,990.69

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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.