Home / 9,143.28-12,617.64-5,366.52

Finding the Fourth Proportional to 9,143.28, 12,617.64 and 5,366.52

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Solution

The fourth proportional to 9,143.28, 12,617.64 and 5,366.52 is: 7,405.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.28 : 12,617.64 = 5,366.52 : x
  2. Step 2: Convert to fraction form
    9,143.28/12,617.64 = 5,366.52/x
  3. Step 3: Cross multiply
    9,143.28x = 12,617.64 × 5,366.52
  4. Step 4: Simplify right side
    9,143.28x = 67,712,817.41
  5. Step 5: Solve for x
    x = 67,712,817.41/9,143.28
  6. Step 6: Final answer
    x = 7,405.75

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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.