Home / 12,009.94-16,572.53-8,236.33

Finding the Fourth Proportional to 12,009.94, 16,572.53 and 8,236.33

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Solution

The fourth proportional to 12,009.94, 16,572.53 and 8,236.33 is: 11,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.94 : 16,572.53 = 8,236.33 : x
  2. Step 2: Convert to fraction form
    12,009.94/16,572.53 = 8,236.33/x
  3. Step 3: Cross multiply
    12,009.94x = 16,572.53 × 8,236.33
  4. Step 4: Simplify right side
    12,009.94x = 136,496,805.17
  5. Step 5: Solve for x
    x = 136,496,805.17/12,009.94
  6. Step 6: Final answer
    x = 11,365.32

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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.