Home / 8,236.12-12,350.34-4,774.36

Finding the Fourth Proportional to 8,236.12, 12,350.34 and 4,774.36

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Solution

The fourth proportional to 8,236.12, 12,350.34 and 4,774.36 is: 7,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.12 : 12,350.34 = 4,774.36 : x
  2. Step 2: Convert to fraction form
    8,236.12/12,350.34 = 4,774.36/x
  3. Step 3: Cross multiply
    8,236.12x = 12,350.34 × 4,774.36
  4. Step 4: Simplify right side
    8,236.12x = 58,964,969.28
  5. Step 5: Solve for x
    x = 58,964,969.28/8,236.12
  6. Step 6: Final answer
    x = 7,159.31

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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.