Home / 10,231.24-15,343.10-3,655.64

Finding the Fourth Proportional to 10,231.24, 15,343.10 and 3,655.64

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Solution

The fourth proportional to 10,231.24, 15,343.10 and 3,655.64 is: 5,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.24 : 15,343.10 = 3,655.64 : x
  2. Step 2: Convert to fraction form
    10,231.24/15,343.10 = 3,655.64/x
  3. Step 3: Cross multiply
    10,231.24x = 15,343.10 × 3,655.64
  4. Step 4: Simplify right side
    10,231.24x = 56,088,850.08
  5. Step 5: Solve for x
    x = 56,088,850.08/10,231.24
  6. Step 6: Final answer
    x = 5,482.12

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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.