Home / 10,718.10-16,078.23-3,697.20

Finding the Fourth Proportional to 10,718.10, 16,078.23 and 3,697.20

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Solution

The fourth proportional to 10,718.10, 16,078.23 and 3,697.20 is: 5,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.10 : 16,078.23 = 3,697.20 : x
  2. Step 2: Convert to fraction form
    10,718.10/16,078.23 = 3,697.20/x
  3. Step 3: Cross multiply
    10,718.10x = 16,078.23 × 3,697.20
  4. Step 4: Simplify right side
    10,718.10x = 59,444,431.96
  5. Step 5: Solve for x
    x = 59,444,431.96/10,718.10
  6. Step 6: Final answer
    x = 5,546.17

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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.