Home / 7,867.14-11,802.42-3,707.16

Finding the Fourth Proportional to 7,867.14, 11,802.42 and 3,707.16

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Solution

The fourth proportional to 7,867.14, 11,802.42 and 3,707.16 is: 5,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.14 : 11,802.42 = 3,707.16 : x
  2. Step 2: Convert to fraction form
    7,867.14/11,802.42 = 3,707.16/x
  3. Step 3: Cross multiply
    7,867.14x = 11,802.42 × 3,707.16
  4. Step 4: Simplify right side
    7,867.14x = 43,753,459.33
  5. Step 5: Solve for x
    x = 43,753,459.33/7,867.14
  6. Step 6: Final answer
    x = 5,561.55

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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.