Home / 10,355.46-15,536.70-4,515.90

Finding the Fourth Proportional to 10,355.46, 15,536.70 and 4,515.90

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Solution

The fourth proportional to 10,355.46, 15,536.70 and 4,515.90 is: 6,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.46 : 15,536.70 = 4,515.90 : x
  2. Step 2: Convert to fraction form
    10,355.46/15,536.70 = 4,515.90/x
  3. Step 3: Cross multiply
    10,355.46x = 15,536.70 × 4,515.90
  4. Step 4: Simplify right side
    10,355.46x = 70,162,183.53
  5. Step 5: Solve for x
    x = 70,162,183.53/10,355.46
  6. Step 6: Final answer
    x = 6,775.38

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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.