Home / 10,626-15,937.20-2,835.36

Finding the Fourth Proportional to 10,626, 15,937.20 and 2,835.36

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Solution

The fourth proportional to 10,626, 15,937.20 and 2,835.36 is: 4,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626 : 15,937.20 = 2,835.36 : x
  2. Step 2: Convert to fraction form
    10,626/15,937.20 = 2,835.36/x
  3. Step 3: Cross multiply
    10,626x = 15,937.20 × 2,835.36
  4. Step 4: Simplify right side
    10,626x = 45,187,699.39
  5. Step 5: Solve for x
    x = 45,187,699.39/10,626
  6. Step 6: Final answer
    x = 4,252.56

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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.