Home / 11,345.19-17,006.18-3,943.58

Finding the Fourth Proportional to 11,345.19, 17,006.18 and 3,943.58

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Solution

The fourth proportional to 11,345.19, 17,006.18 and 3,943.58 is: 5,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.19 : 17,006.18 = 3,943.58 : x
  2. Step 2: Convert to fraction form
    11,345.19/17,006.18 = 3,943.58/x
  3. Step 3: Cross multiply
    11,345.19x = 17,006.18 × 3,943.58
  4. Step 4: Simplify right side
    11,345.19x = 67,065,126.58
  5. Step 5: Solve for x
    x = 67,065,126.58/11,345.19
  6. Step 6: Final answer
    x = 5,911.33

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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.