Home / 10,351.01-15,516.18-5,355.54

Finding the Fourth Proportional to 10,351.01, 15,516.18 and 5,355.54

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Solution

The fourth proportional to 10,351.01, 15,516.18 and 5,355.54 is: 8,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.01 : 15,516.18 = 5,355.54 : x
  2. Step 2: Convert to fraction form
    10,351.01/15,516.18 = 5,355.54/x
  3. Step 3: Cross multiply
    10,351.01x = 15,516.18 × 5,355.54
  4. Step 4: Simplify right side
    10,351.01x = 83,097,522.64
  5. Step 5: Solve for x
    x = 83,097,522.64/10,351.01
  6. Step 6: Final answer
    x = 8,027.96

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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.