Home / 9,717.24-14,577.66-3,143.28

Finding the Fourth Proportional to 9,717.24, 14,577.66 and 3,143.28

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Solution

The fourth proportional to 9,717.24, 14,577.66 and 3,143.28 is: 4,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.24 : 14,577.66 = 3,143.28 : x
  2. Step 2: Convert to fraction form
    9,717.24/14,577.66 = 3,143.28/x
  3. Step 3: Cross multiply
    9,717.24x = 14,577.66 × 3,143.28
  4. Step 4: Simplify right side
    9,717.24x = 45,821,667.12
  5. Step 5: Solve for x
    x = 45,821,667.12/9,717.24
  6. Step 6: Final answer
    x = 4,715.50

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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.