Home / 7,612.76-11,419.74-2,066.58

Finding the Fourth Proportional to 7,612.76, 11,419.74 and 2,066.58

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Solution

The fourth proportional to 7,612.76, 11,419.74 and 2,066.58 is: 3,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.76 : 11,419.74 = 2,066.58 : x
  2. Step 2: Convert to fraction form
    7,612.76/11,419.74 = 2,066.58/x
  3. Step 3: Cross multiply
    7,612.76x = 11,419.74 × 2,066.58
  4. Step 4: Simplify right side
    7,612.76x = 23,599,806.29
  5. Step 5: Solve for x
    x = 23,599,806.29/7,612.76
  6. Step 6: Final answer
    x = 3,100.03

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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.