Home / 10,163.16-15,249.06-4,895.64

Finding the Fourth Proportional to 10,163.16, 15,249.06 and 4,895.64

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Solution

The fourth proportional to 10,163.16, 15,249.06 and 4,895.64 is: 7,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.16 : 15,249.06 = 4,895.64 : x
  2. Step 2: Convert to fraction form
    10,163.16/15,249.06 = 4,895.64/x
  3. Step 3: Cross multiply
    10,163.16x = 15,249.06 × 4,895.64
  4. Step 4: Simplify right side
    10,163.16x = 74,653,908.10
  5. Step 5: Solve for x
    x = 74,653,908.10/10,163.16
  6. Step 6: Final answer
    x = 7,345.54

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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.