Home / 9,399.13-12,976.77-5,867.53

Finding the Fourth Proportional to 9,399.13, 12,976.77 and 5,867.53

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Solution

The fourth proportional to 9,399.13, 12,976.77 and 5,867.53 is: 8,100.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,399.13 : 12,976.77 = 5,867.53 : x
  2. Step 2: Convert to fraction form
    9,399.13/12,976.77 = 5,867.53/x
  3. Step 3: Cross multiply
    9,399.13x = 12,976.77 × 5,867.53
  4. Step 4: Simplify right side
    9,399.13x = 76,141,576.84
  5. Step 5: Solve for x
    x = 76,141,576.84/9,399.13
  6. Step 6: Final answer
    x = 8,100.92

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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.