Home / 8,997.36-12,424.19-5,645.94

Finding the Fourth Proportional to 8,997.36, 12,424.19 and 5,645.94

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Solution

The fourth proportional to 8,997.36, 12,424.19 and 5,645.94 is: 7,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.36 : 12,424.19 = 5,645.94 : x
  2. Step 2: Convert to fraction form
    8,997.36/12,424.19 = 5,645.94/x
  3. Step 3: Cross multiply
    8,997.36x = 12,424.19 × 5,645.94
  4. Step 4: Simplify right side
    8,997.36x = 70,146,231.29
  5. Step 5: Solve for x
    x = 70,146,231.29/8,997.36
  6. Step 6: Final answer
    x = 7,796.31

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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.