Home / 10,522.18-15,786.96-4,679.29

Finding the Fourth Proportional to 10,522.18, 15,786.96 and 4,679.29

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Solution

The fourth proportional to 10,522.18, 15,786.96 and 4,679.29 is: 7,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.18 : 15,786.96 = 4,679.29 : x
  2. Step 2: Convert to fraction form
    10,522.18/15,786.96 = 4,679.29/x
  3. Step 3: Cross multiply
    10,522.18x = 15,786.96 × 4,679.29
  4. Step 4: Simplify right side
    10,522.18x = 73,871,764.06
  5. Step 5: Solve for x
    x = 73,871,764.06/10,522.18
  6. Step 6: Final answer
    x = 7,020.58

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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.