Home / 8,752.06-13,123.23-2,905.48

Finding the Fourth Proportional to 8,752.06, 13,123.23 and 2,905.48

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Solution

The fourth proportional to 8,752.06, 13,123.23 and 2,905.48 is: 4,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.06 : 13,123.23 = 2,905.48 : x
  2. Step 2: Convert to fraction form
    8,752.06/13,123.23 = 2,905.48/x
  3. Step 3: Cross multiply
    8,752.06x = 13,123.23 × 2,905.48
  4. Step 4: Simplify right side
    8,752.06x = 38,129,282.30
  5. Step 5: Solve for x
    x = 38,129,282.30/8,752.06
  6. Step 6: Final answer
    x = 4,356.61

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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.