Home / 13,061.62-18,015.51-8,283.03

Finding the Fourth Proportional to 13,061.62, 18,015.51 and 8,283.03

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Solution

The fourth proportional to 13,061.62, 18,015.51 and 8,283.03 is: 11,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061.62 : 18,015.51 = 8,283.03 : x
  2. Step 2: Convert to fraction form
    13,061.62/18,015.51 = 8,283.03/x
  3. Step 3: Cross multiply
    13,061.62x = 18,015.51 × 8,283.03
  4. Step 4: Simplify right side
    13,061.62x = 149,223,009.80
  5. Step 5: Solve for x
    x = 149,223,009.80/13,061.62
  6. Step 6: Final answer
    x = 11,424.54

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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.