Home / 10,336.16-15,507.18-5,072.75

Finding the Fourth Proportional to 10,336.16, 15,507.18 and 5,072.75

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Solution

The fourth proportional to 10,336.16, 15,507.18 and 5,072.75 is: 7,610.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,336.16 : 15,507.18 = 5,072.75 : x
  2. Step 2: Convert to fraction form
    10,336.16/15,507.18 = 5,072.75/x
  3. Step 3: Cross multiply
    10,336.16x = 15,507.18 × 5,072.75
  4. Step 4: Simplify right side
    10,336.16x = 78,664,027.96
  5. Step 5: Solve for x
    x = 78,664,027.96/10,336.16
  6. Step 6: Final answer
    x = 7,610.57

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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.