Home / 10,448.73-15,662.12-3,426.93

Finding the Fourth Proportional to 10,448.73, 15,662.12 and 3,426.93

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Solution

The fourth proportional to 10,448.73, 15,662.12 and 3,426.93 is: 5,136.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.73 : 15,662.12 = 3,426.93 : x
  2. Step 2: Convert to fraction form
    10,448.73/15,662.12 = 3,426.93/x
  3. Step 3: Cross multiply
    10,448.73x = 15,662.12 × 3,426.93
  4. Step 4: Simplify right side
    10,448.73x = 53,672,971.76
  5. Step 5: Solve for x
    x = 53,672,971.76/10,448.73
  6. Step 6: Final answer
    x = 5,136.79

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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.