Home / 10,043.68-15,063.81-2,648.21

Finding the Fourth Proportional to 10,043.68, 15,063.81 and 2,648.21

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Solution

The fourth proportional to 10,043.68, 15,063.81 and 2,648.21 is: 3,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,043.68 : 15,063.81 = 2,648.21 : x
  2. Step 2: Convert to fraction form
    10,043.68/15,063.81 = 2,648.21/x
  3. Step 3: Cross multiply
    10,043.68x = 15,063.81 × 2,648.21
  4. Step 4: Simplify right side
    10,043.68x = 39,892,131.76
  5. Step 5: Solve for x
    x = 39,892,131.76/10,043.68
  6. Step 6: Final answer
    x = 3,971.86

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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.