Home / 6,112.35-8,434.80-3,460.32

Finding the Fourth Proportional to 6,112.35, 8,434.80 and 3,460.32

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Solution

The fourth proportional to 6,112.35, 8,434.80 and 3,460.32 is: 4,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.35 : 8,434.80 = 3,460.32 : x
  2. Step 2: Convert to fraction form
    6,112.35/8,434.80 = 3,460.32/x
  3. Step 3: Cross multiply
    6,112.35x = 8,434.80 × 3,460.32
  4. Step 4: Simplify right side
    6,112.35x = 29,187,107.14
  5. Step 5: Solve for x
    x = 29,187,107.14/6,112.35
  6. Step 6: Final answer
    x = 4,775.10

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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.