Home / 9,829.78-13,563-5,850.12

Finding the Fourth Proportional to 9,829.78, 13,563 and 5,850.12

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Solution

The fourth proportional to 9,829.78, 13,563 and 5,850.12 is: 8,071.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.78 : 13,563 = 5,850.12 : x
  2. Step 2: Convert to fraction form
    9,829.78/13,563 = 5,850.12/x
  3. Step 3: Cross multiply
    9,829.78x = 13,563 × 5,850.12
  4. Step 4: Simplify right side
    9,829.78x = 79,345,177.56
  5. Step 5: Solve for x
    x = 79,345,177.56/9,829.78
  6. Step 6: Final answer
    x = 8,071.92

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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.