Home / 10,803.12-16,202.61-4,561.08

Finding the Fourth Proportional to 10,803.12, 16,202.61 and 4,561.08

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Solution

The fourth proportional to 10,803.12, 16,202.61 and 4,561.08 is: 6,840.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,803.12 : 16,202.61 = 4,561.08 : x
  2. Step 2: Convert to fraction form
    10,803.12/16,202.61 = 4,561.08/x
  3. Step 3: Cross multiply
    10,803.12x = 16,202.61 × 4,561.08
  4. Step 4: Simplify right side
    10,803.12x = 73,901,400.42
  5. Step 5: Solve for x
    x = 73,901,400.42/10,803.12
  6. Step 6: Final answer
    x = 6,840.75

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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.