Home / 10,403.42-15,597.84-3,828.75

Finding the Fourth Proportional to 10,403.42, 15,597.84 and 3,828.75

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Solution

The fourth proportional to 10,403.42, 15,597.84 and 3,828.75 is: 5,740.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.42 : 15,597.84 = 3,828.75 : x
  2. Step 2: Convert to fraction form
    10,403.42/15,597.84 = 3,828.75/x
  3. Step 3: Cross multiply
    10,403.42x = 15,597.84 × 3,828.75
  4. Step 4: Simplify right side
    10,403.42x = 59,720,249.40
  5. Step 5: Solve for x
    x = 59,720,249.40/10,403.42
  6. Step 6: Final answer
    x = 5,740.44

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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.