Home / 9,486.57-13,091.39-5,237.63

Finding the Fourth Proportional to 9,486.57, 13,091.39 and 5,237.63

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Solution

The fourth proportional to 9,486.57, 13,091.39 and 5,237.63 is: 7,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486.57 : 13,091.39 = 5,237.63 : x
  2. Step 2: Convert to fraction form
    9,486.57/13,091.39 = 5,237.63/x
  3. Step 3: Cross multiply
    9,486.57x = 13,091.39 × 5,237.63
  4. Step 4: Simplify right side
    9,486.57x = 68,567,804.64
  5. Step 5: Solve for x
    x = 68,567,804.64/9,486.57
  6. Step 6: Final answer
    x = 7,227.88

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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.