Home / 12,022.02-18,028.17-4,998.11

Finding the Fourth Proportional to 12,022.02, 18,028.17 and 4,998.11

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Solution

The fourth proportional to 12,022.02, 18,028.17 and 4,998.11 is: 7,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.02 : 18,028.17 = 4,998.11 : x
  2. Step 2: Convert to fraction form
    12,022.02/18,028.17 = 4,998.11/x
  3. Step 3: Cross multiply
    12,022.02x = 18,028.17 × 4,998.11
  4. Step 4: Simplify right side
    12,022.02x = 90,106,686.62
  5. Step 5: Solve for x
    x = 90,106,686.62/12,022.02
  6. Step 6: Final answer
    x = 7,495.14

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.