Home / 11,851.53-17,777.30-3,087.33

Finding the Fourth Proportional to 11,851.53, 17,777.30 and 3,087.33

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Solution

The fourth proportional to 11,851.53, 17,777.30 and 3,087.33 is: 4,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.53 : 17,777.30 = 3,087.33 : x
  2. Step 2: Convert to fraction form
    11,851.53/17,777.30 = 3,087.33/x
  3. Step 3: Cross multiply
    11,851.53x = 17,777.30 × 3,087.33
  4. Step 4: Simplify right side
    11,851.53x = 54,884,376.17
  5. Step 5: Solve for x
    x = 54,884,376.17/11,851.53
  6. Step 6: Final answer
    x = 4,631.00

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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.