Home / 10,828.20-16,232.58-5,637.72

Finding the Fourth Proportional to 10,828.20, 16,232.58 and 5,637.72

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Solution

The fourth proportional to 10,828.20, 16,232.58 and 5,637.72 is: 8,451.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.20 : 16,232.58 = 5,637.72 : x
  2. Step 2: Convert to fraction form
    10,828.20/16,232.58 = 5,637.72/x
  3. Step 3: Cross multiply
    10,828.20x = 16,232.58 × 5,637.72
  4. Step 4: Simplify right side
    10,828.20x = 91,514,740.92
  5. Step 5: Solve for x
    x = 91,514,740.92/10,828.20
  6. Step 6: Final answer
    x = 8,451.52

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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.