Home / 13,104.70-18,086.16-7,441.32

Finding the Fourth Proportional to 13,104.70, 18,086.16 and 7,441.32

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Solution

The fourth proportional to 13,104.70, 18,086.16 and 7,441.32 is: 10,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.70 : 18,086.16 = 7,441.32 : x
  2. Step 2: Convert to fraction form
    13,104.70/18,086.16 = 7,441.32/x
  3. Step 3: Cross multiply
    13,104.70x = 18,086.16 × 7,441.32
  4. Step 4: Simplify right side
    13,104.70x = 134,584,904.13
  5. Step 5: Solve for x
    x = 134,584,904.13/13,104.70
  6. Step 6: Final answer
    x = 10,269.97

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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.