Home / 9,061.81-13,579.85-3,791.14

Finding the Fourth Proportional to 9,061.81, 13,579.85 and 3,791.14

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Solution

The fourth proportional to 9,061.81, 13,579.85 and 3,791.14 is: 5,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,061.81 : 13,579.85 = 3,791.14 : x
  2. Step 2: Convert to fraction form
    9,061.81/13,579.85 = 3,791.14/x
  3. Step 3: Cross multiply
    9,061.81x = 13,579.85 × 3,791.14
  4. Step 4: Simplify right side
    9,061.81x = 51,483,088.06
  5. Step 5: Solve for x
    x = 51,483,088.06/9,061.81
  6. Step 6: Final answer
    x = 5,681.33

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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.