Home / 10,159.96-14,020.68-5,683.69

Finding the Fourth Proportional to 10,159.96, 14,020.68 and 5,683.69

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Solution

The fourth proportional to 10,159.96, 14,020.68 and 5,683.69 is: 7,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.96 : 14,020.68 = 5,683.69 : x
  2. Step 2: Convert to fraction form
    10,159.96/14,020.68 = 5,683.69/x
  3. Step 3: Cross multiply
    10,159.96x = 14,020.68 × 5,683.69
  4. Step 4: Simplify right side
    10,159.96x = 79,689,198.71
  5. Step 5: Solve for x
    x = 79,689,198.71/10,159.96
  6. Step 6: Final answer
    x = 7,843.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.