Home / 8,130.22-11,219.39-4,593.51

Finding the Fourth Proportional to 8,130.22, 11,219.39 and 4,593.51

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Solution

The fourth proportional to 8,130.22, 11,219.39 and 4,593.51 is: 6,338.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.22 : 11,219.39 = 4,593.51 : x
  2. Step 2: Convert to fraction form
    8,130.22/11,219.39 = 4,593.51/x
  3. Step 3: Cross multiply
    8,130.22x = 11,219.39 × 4,593.51
  4. Step 4: Simplify right side
    8,130.22x = 51,536,324.06
  5. Step 5: Solve for x
    x = 51,536,324.06/8,130.22
  6. Step 6: Final answer
    x = 6,338.86

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Half scale
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Double scale
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Similar ratio
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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.