Home / 11,150.36-15,387.48-6,114.66

Finding the Fourth Proportional to 11,150.36, 15,387.48 and 6,114.66

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Solution

The fourth proportional to 11,150.36, 15,387.48 and 6,114.66 is: 8,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.36 : 15,387.48 = 6,114.66 : x
  2. Step 2: Convert to fraction form
    11,150.36/15,387.48 = 6,114.66/x
  3. Step 3: Cross multiply
    11,150.36x = 15,387.48 × 6,114.66
  4. Step 4: Simplify right side
    11,150.36x = 94,089,131.52
  5. Step 5: Solve for x
    x = 94,089,131.52/11,150.36
  6. Step 6: Final answer
    x = 8,438.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.