Home / 12,180.73-16,807.61-7,398.19

Finding the Fourth Proportional to 12,180.73, 16,807.61 and 7,398.19

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Solution

The fourth proportional to 12,180.73, 16,807.61 and 7,398.19 is: 10,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180.73 : 16,807.61 = 7,398.19 : x
  2. Step 2: Convert to fraction form
    12,180.73/16,807.61 = 7,398.19/x
  3. Step 3: Cross multiply
    12,180.73x = 16,807.61 × 7,398.19
  4. Step 4: Simplify right side
    12,180.73x = 124,345,892.23
  5. Step 5: Solve for x
    x = 124,345,892.23/12,180.73
  6. Step 6: Final answer
    x = 10,208.41

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Half scale
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Double scale
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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.