Home / 10,157.24-15,222.86-5,225.96

Finding the Fourth Proportional to 10,157.24, 15,222.86 and 5,225.96

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Solution

The fourth proportional to 10,157.24, 15,222.86 and 5,225.96 is: 7,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.24 : 15,222.86 = 5,225.96 : x
  2. Step 2: Convert to fraction form
    10,157.24/15,222.86 = 5,225.96/x
  3. Step 3: Cross multiply
    10,157.24x = 15,222.86 × 5,225.96
  4. Step 4: Simplify right side
    10,157.24x = 79,554,057.45
  5. Step 5: Solve for x
    x = 79,554,057.45/10,157.24
  6. Step 6: Final answer
    x = 7,832.25

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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.