Home / 10,619.08-15,931.14-3,223.96

Finding the Fourth Proportional to 10,619.08, 15,931.14 and 3,223.96

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Solution

The fourth proportional to 10,619.08, 15,931.14 and 3,223.96 is: 4,836.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.08 : 15,931.14 = 3,223.96 : x
  2. Step 2: Convert to fraction form
    10,619.08/15,931.14 = 3,223.96/x
  3. Step 3: Cross multiply
    10,619.08x = 15,931.14 × 3,223.96
  4. Step 4: Simplify right side
    10,619.08x = 51,361,358.11
  5. Step 5: Solve for x
    x = 51,361,358.11/10,619.08
  6. Step 6: Final answer
    x = 4,836.71

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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.