Home / 11,851.56-17,779.14-4,456.53

Finding the Fourth Proportional to 11,851.56, 17,779.14 and 4,456.53

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Solution

The fourth proportional to 11,851.56, 17,779.14 and 4,456.53 is: 6,685.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.56 : 17,779.14 = 4,456.53 : x
  2. Step 2: Convert to fraction form
    11,851.56/17,779.14 = 4,456.53/x
  3. Step 3: Cross multiply
    11,851.56x = 17,779.14 × 4,456.53
  4. Step 4: Simplify right side
    11,851.56x = 79,233,270.78
  5. Step 5: Solve for x
    x = 79,233,270.78/11,851.56
  6. Step 6: Final answer
    x = 6,685.47

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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.