Home / 8,776.56-13,140.36-5,997.36

Finding the Fourth Proportional to 8,776.56, 13,140.36 and 5,997.36

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Solution

The fourth proportional to 8,776.56, 13,140.36 and 5,997.36 is: 8,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.56 : 13,140.36 = 5,997.36 : x
  2. Step 2: Convert to fraction form
    8,776.56/13,140.36 = 5,997.36/x
  3. Step 3: Cross multiply
    8,776.56x = 13,140.36 × 5,997.36
  4. Step 4: Simplify right side
    8,776.56x = 78,807,469.45
  5. Step 5: Solve for x
    x = 78,807,469.45/8,776.56
  6. Step 6: Final answer
    x = 8,979.31

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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.