Home / 8,090.28-11,173.34-6,319.22

Finding the Fourth Proportional to 8,090.28, 11,173.34 and 6,319.22

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Solution

The fourth proportional to 8,090.28, 11,173.34 and 6,319.22 is: 8,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.28 : 11,173.34 = 6,319.22 : x
  2. Step 2: Convert to fraction form
    8,090.28/11,173.34 = 6,319.22/x
  3. Step 3: Cross multiply
    8,090.28x = 11,173.34 × 6,319.22
  4. Step 4: Simplify right side
    8,090.28x = 70,606,753.53
  5. Step 5: Solve for x
    x = 70,606,753.53/8,090.28
  6. Step 6: Final answer
    x = 8,727.36

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Half scale
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Double scale
Find fourth proportional to 8,091.28, 11,174.72 and 6,320.22
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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.