Home / 9,305.02-12,840.94-5,326.30

Finding the Fourth Proportional to 9,305.02, 12,840.94 and 5,326.30

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Solution

The fourth proportional to 9,305.02, 12,840.94 and 5,326.30 is: 7,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305.02 : 12,840.94 = 5,326.30 : x
  2. Step 2: Convert to fraction form
    9,305.02/12,840.94 = 5,326.30/x
  3. Step 3: Cross multiply
    9,305.02x = 12,840.94 × 5,326.30
  4. Step 4: Simplify right side
    9,305.02x = 68,394,698.72
  5. Step 5: Solve for x
    x = 68,394,698.72/9,305.02
  6. Step 6: Final answer
    x = 7,350.30

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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.