Home / 10,391.08-15,584.04-4,839.16

Finding the Fourth Proportional to 10,391.08, 15,584.04 and 4,839.16

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Solution

The fourth proportional to 10,391.08, 15,584.04 and 4,839.16 is: 7,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.08 : 15,584.04 = 4,839.16 : x
  2. Step 2: Convert to fraction form
    10,391.08/15,584.04 = 4,839.16/x
  3. Step 3: Cross multiply
    10,391.08x = 15,584.04 × 4,839.16
  4. Step 4: Simplify right side
    10,391.08x = 75,413,663.01
  5. Step 5: Solve for x
    x = 75,413,663.01/10,391.08
  6. Step 6: Final answer
    x = 7,257.54

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1.5x scale

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.