Home / 7,618.17-11,427.96-2,071.53

Finding the Fourth Proportional to 7,618.17, 11,427.96 and 2,071.53

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Solution

The fourth proportional to 7,618.17, 11,427.96 and 2,071.53 is: 3,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.17 : 11,427.96 = 2,071.53 : x
  2. Step 2: Convert to fraction form
    7,618.17/11,427.96 = 2,071.53/x
  3. Step 3: Cross multiply
    7,618.17x = 11,427.96 × 2,071.53
  4. Step 4: Simplify right side
    7,618.17x = 23,673,361.98
  5. Step 5: Solve for x
    x = 23,673,361.98/7,618.17
  6. Step 6: Final answer
    x = 3,107.49

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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.