Home / 10,336.53-15,507.13-3,762.78

Finding the Fourth Proportional to 10,336.53, 15,507.13 and 3,762.78

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Solution

The fourth proportional to 10,336.53, 15,507.13 and 3,762.78 is: 5,645.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,336.53 : 15,507.13 = 3,762.78 : x
  2. Step 2: Convert to fraction form
    10,336.53/15,507.13 = 3,762.78/x
  3. Step 3: Cross multiply
    10,336.53x = 15,507.13 × 3,762.78
  4. Step 4: Simplify right side
    10,336.53x = 58,349,918.62
  5. Step 5: Solve for x
    x = 58,349,918.62/10,336.53
  6. Step 6: Final answer
    x = 5,645.02

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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.