Home / 12,322.32-18,487.20-5,752.32

Finding the Fourth Proportional to 12,322.32, 18,487.20 and 5,752.32

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Solution

The fourth proportional to 12,322.32, 18,487.20 and 5,752.32 is: 8,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.32 : 18,487.20 = 5,752.32 : x
  2. Step 2: Convert to fraction form
    12,322.32/18,487.20 = 5,752.32/x
  3. Step 3: Cross multiply
    12,322.32x = 18,487.20 × 5,752.32
  4. Step 4: Simplify right side
    12,322.32x = 106,344,290.30
  5. Step 5: Solve for x
    x = 106,344,290.30/12,322.32
  6. Step 6: Final answer
    x = 8,630.22

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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.