Home / 9,086.02-12,537.38-5,309.54

Finding the Fourth Proportional to 9,086.02, 12,537.38 and 5,309.54

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Solution

The fourth proportional to 9,086.02, 12,537.38 and 5,309.54 is: 7,326.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.02 : 12,537.38 = 5,309.54 : x
  2. Step 2: Convert to fraction form
    9,086.02/12,537.38 = 5,309.54/x
  3. Step 3: Cross multiply
    9,086.02x = 12,537.38 × 5,309.54
  4. Step 4: Simplify right side
    9,086.02x = 66,567,720.61
  5. Step 5: Solve for x
    x = 66,567,720.61/9,086.02
  6. Step 6: Final answer
    x = 7,326.39

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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.