Home / 6,111.36-8,437.04-3,845.12

Finding the Fourth Proportional to 6,111.36, 8,437.04 and 3,845.12

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Solution

The fourth proportional to 6,111.36, 8,437.04 and 3,845.12 is: 5,308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.36 : 8,437.04 = 3,845.12 : x
  2. Step 2: Convert to fraction form
    6,111.36/8,437.04 = 3,845.12/x
  3. Step 3: Cross multiply
    6,111.36x = 8,437.04 × 3,845.12
  4. Step 4: Simplify right side
    6,111.36x = 32,441,431.24
  5. Step 5: Solve for x
    x = 32,441,431.24/6,111.36
  6. Step 6: Final answer
    x = 5,308.38

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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.