Home / 10,403.64-15,606.45-3,829.95

Finding the Fourth Proportional to 10,403.64, 15,606.45 and 3,829.95

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Solution

The fourth proportional to 10,403.64, 15,606.45 and 3,829.95 is: 5,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.64 : 15,606.45 = 3,829.95 : x
  2. Step 2: Convert to fraction form
    10,403.64/15,606.45 = 3,829.95/x
  3. Step 3: Cross multiply
    10,403.64x = 15,606.45 × 3,829.95
  4. Step 4: Simplify right side
    10,403.64x = 59,771,923.18
  5. Step 5: Solve for x
    x = 59,771,923.18/10,403.64
  6. Step 6: Final answer
    x = 5,745.29

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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.