Home / 10,860.53-16,280.39-3,460.91

Finding the Fourth Proportional to 10,860.53, 16,280.39 and 3,460.91

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Solution

The fourth proportional to 10,860.53, 16,280.39 and 3,460.91 is: 5,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.53 : 16,280.39 = 3,460.91 : x
  2. Step 2: Convert to fraction form
    10,860.53/16,280.39 = 3,460.91/x
  3. Step 3: Cross multiply
    10,860.53x = 16,280.39 × 3,460.91
  4. Step 4: Simplify right side
    10,860.53x = 56,344,891.81
  5. Step 5: Solve for x
    x = 56,344,891.81/10,860.53
  6. Step 6: Final answer
    x = 5,188.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.