Home / 8,088.82-11,157.36-5,216.28

Finding the Fourth Proportional to 8,088.82, 11,157.36 and 5,216.28

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Solution

The fourth proportional to 8,088.82, 11,157.36 and 5,216.28 is: 7,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.82 : 11,157.36 = 5,216.28 : x
  2. Step 2: Convert to fraction form
    8,088.82/11,157.36 = 5,216.28/x
  3. Step 3: Cross multiply
    8,088.82x = 11,157.36 × 5,216.28
  4. Step 4: Simplify right side
    8,088.82x = 58,199,913.82
  5. Step 5: Solve for x
    x = 58,199,913.82/8,088.82
  6. Step 6: Final answer
    x = 7,195.11

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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.