Home / 10,569.36-15,854-3,173.82

Finding the Fourth Proportional to 10,569.36, 15,854 and 3,173.82

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Solution

The fourth proportional to 10,569.36, 15,854 and 3,173.82 is: 4,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,569.36 : 15,854 = 3,173.82 : x
  2. Step 2: Convert to fraction form
    10,569.36/15,854 = 3,173.82/x
  3. Step 3: Cross multiply
    10,569.36x = 15,854 × 3,173.82
  4. Step 4: Simplify right side
    10,569.36x = 50,317,742.28
  5. Step 5: Solve for x
    x = 50,317,742.28/10,569.36
  6. Step 6: Final answer
    x = 4,760.72

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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.