Home / 10,417.97-15,629.51-3,398.36

Finding the Fourth Proportional to 10,417.97, 15,629.51 and 3,398.36

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Solution

The fourth proportional to 10,417.97, 15,629.51 and 3,398.36 is: 5,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.97 : 15,629.51 = 3,398.36 : x
  2. Step 2: Convert to fraction form
    10,417.97/15,629.51 = 3,398.36/x
  3. Step 3: Cross multiply
    10,417.97x = 15,629.51 × 3,398.36
  4. Step 4: Simplify right side
    10,417.97x = 53,114,612.84
  5. Step 5: Solve for x
    x = 53,114,612.84/10,417.97
  6. Step 6: Final answer
    x = 5,098.37

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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.