Home / 10,569.29-15,856.36-3,173.89

Finding the Fourth Proportional to 10,569.29, 15,856.36 and 3,173.89

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Solution

The fourth proportional to 10,569.29, 15,856.36 and 3,173.89 is: 4,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,569.29 : 15,856.36 = 3,173.89 : x
  2. Step 2: Convert to fraction form
    10,569.29/15,856.36 = 3,173.89/x
  3. Step 3: Cross multiply
    10,569.29x = 15,856.36 × 3,173.89
  4. Step 4: Simplify right side
    10,569.29x = 50,326,263.16
  5. Step 5: Solve for x
    x = 50,326,263.16/10,569.29
  6. Step 6: Final answer
    x = 4,761.56

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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.