Home / 8,731.22-12,049.07-4,752.32

Finding the Fourth Proportional to 8,731.22, 12,049.07 and 4,752.32

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Solution

The fourth proportional to 8,731.22, 12,049.07 and 4,752.32 is: 6,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.22 : 12,049.07 = 4,752.32 : x
  2. Step 2: Convert to fraction form
    8,731.22/12,049.07 = 4,752.32/x
  3. Step 3: Cross multiply
    8,731.22x = 12,049.07 × 4,752.32
  4. Step 4: Simplify right side
    8,731.22x = 57,260,952.34
  5. Step 5: Solve for x
    x = 57,260,952.34/8,731.22
  6. Step 6: Final answer
    x = 6,558.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.