Home / 9,984.24-13,778.32-5,507.92

Finding the Fourth Proportional to 9,984.24, 13,778.32 and 5,507.92

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Solution

The fourth proportional to 9,984.24, 13,778.32 and 5,507.92 is: 7,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.24 : 13,778.32 = 5,507.92 : x
  2. Step 2: Convert to fraction form
    9,984.24/13,778.32 = 5,507.92/x
  3. Step 3: Cross multiply
    9,984.24x = 13,778.32 × 5,507.92
  4. Step 4: Simplify right side
    9,984.24x = 75,889,884.29
  5. Step 5: Solve for x
    x = 75,889,884.29/9,984.24
  6. Step 6: Final answer
    x = 7,600.97

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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.