Home / 9,839.23-13,578.50-5,860.78

Finding the Fourth Proportional to 9,839.23, 13,578.50 and 5,860.78

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Solution

The fourth proportional to 9,839.23, 13,578.50 and 5,860.78 is: 8,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.23 : 13,578.50 = 5,860.78 : x
  2. Step 2: Convert to fraction form
    9,839.23/13,578.50 = 5,860.78/x
  3. Step 3: Cross multiply
    9,839.23x = 13,578.50 × 5,860.78
  4. Step 4: Simplify right side
    9,839.23x = 79,580,601.23
  5. Step 5: Solve for x
    x = 79,580,601.23/9,839.23
  6. Step 6: Final answer
    x = 8,088.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.