Home / 8,731.41-12,049.47-4,752.65

Finding the Fourth Proportional to 8,731.41, 12,049.47 and 4,752.65

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Solution

The fourth proportional to 8,731.41, 12,049.47 and 4,752.65 is: 6,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.41 : 12,049.47 = 4,752.65 : x
  2. Step 2: Convert to fraction form
    8,731.41/12,049.47 = 4,752.65/x
  3. Step 3: Cross multiply
    8,731.41x = 12,049.47 × 4,752.65
  4. Step 4: Simplify right side
    8,731.41x = 57,266,853.35
  5. Step 5: Solve for x
    x = 57,266,853.35/8,731.41
  6. Step 6: Final answer
    x = 6,558.72

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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.