Home / 9,486.12-13,090.20-5,236.98

Finding the Fourth Proportional to 9,486.12, 13,090.20 and 5,236.98

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Solution

The fourth proportional to 9,486.12, 13,090.20 and 5,236.98 is: 7,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486.12 : 13,090.20 = 5,236.98 : x
  2. Step 2: Convert to fraction form
    9,486.12/13,090.20 = 5,236.98/x
  3. Step 3: Cross multiply
    9,486.12x = 13,090.20 × 5,236.98
  4. Step 4: Simplify right side
    9,486.12x = 68,553,115.60
  5. Step 5: Solve for x
    x = 68,553,115.60/9,486.12
  6. Step 6: Final answer
    x = 7,226.68

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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.