Home / 7,806.38-11,707.77-2,258.48

Finding the Fourth Proportional to 7,806.38, 11,707.77 and 2,258.48

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Solution

The fourth proportional to 7,806.38, 11,707.77 and 2,258.48 is: 3,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806.38 : 11,707.77 = 2,258.48 : x
  2. Step 2: Convert to fraction form
    7,806.38/11,707.77 = 2,258.48/x
  3. Step 3: Cross multiply
    7,806.38x = 11,707.77 × 2,258.48
  4. Step 4: Simplify right side
    7,806.38x = 26,441,802.13
  5. Step 5: Solve for x
    x = 26,441,802.13/7,806.38
  6. Step 6: Final answer
    x = 3,387.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.