Home / 10,621.41-15,932.16-3,225.93

Finding the Fourth Proportional to 10,621.41, 15,932.16 and 3,225.93

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Solution

The fourth proportional to 10,621.41, 15,932.16 and 3,225.93 is: 4,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.41 : 15,932.16 = 3,225.93 : x
  2. Step 2: Convert to fraction form
    10,621.41/15,932.16 = 3,225.93/x
  3. Step 3: Cross multiply
    10,621.41x = 15,932.16 × 3,225.93
  4. Step 4: Simplify right side
    10,621.41x = 51,396,032.91
  5. Step 5: Solve for x
    x = 51,396,032.91/10,621.41
  6. Step 6: Final answer
    x = 4,838.91

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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.