Home / 13,084.73-18,057.40-7,496.81

Finding the Fourth Proportional to 13,084.73, 18,057.40 and 7,496.81

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Solution

The fourth proportional to 13,084.73, 18,057.40 and 7,496.81 is: 10,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.73 : 18,057.40 = 7,496.81 : x
  2. Step 2: Convert to fraction form
    13,084.73/18,057.40 = 7,496.81/x
  3. Step 3: Cross multiply
    13,084.73x = 18,057.40 × 7,496.81
  4. Step 4: Simplify right side
    13,084.73x = 135,372,896.89
  5. Step 5: Solve for x
    x = 135,372,896.89/13,084.73
  6. Step 6: Final answer
    x = 10,345.87

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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.