Home / 8,448.48-11,658.96-5,091.12

Finding the Fourth Proportional to 8,448.48, 11,658.96 and 5,091.12

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Solution

The fourth proportional to 8,448.48, 11,658.96 and 5,091.12 is: 7,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.48 : 11,658.96 = 5,091.12 : x
  2. Step 2: Convert to fraction form
    8,448.48/11,658.96 = 5,091.12/x
  3. Step 3: Cross multiply
    8,448.48x = 11,658.96 × 5,091.12
  4. Step 4: Simplify right side
    8,448.48x = 59,357,164.44
  5. Step 5: Solve for x
    x = 59,357,164.44/8,448.48
  6. Step 6: Final answer
    x = 7,025.78

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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.