Home / 10,150.39-15,221.79-3,484.99

Finding the Fourth Proportional to 10,150.39, 15,221.79 and 3,484.99

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Solution

The fourth proportional to 10,150.39, 15,221.79 and 3,484.99 is: 5,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.39 : 15,221.79 = 3,484.99 : x
  2. Step 2: Convert to fraction form
    10,150.39/15,221.79 = 3,484.99/x
  3. Step 3: Cross multiply
    10,150.39x = 15,221.79 × 3,484.99
  4. Step 4: Simplify right side
    10,150.39x = 53,047,774.20
  5. Step 5: Solve for x
    x = 53,047,774.20/10,150.39
  6. Step 6: Final answer
    x = 5,226.18

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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.