Home / 11,497.36-15,867.96-6,718.88

Finding the Fourth Proportional to 11,497.36, 15,867.96 and 6,718.88

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Solution

The fourth proportional to 11,497.36, 15,867.96 and 6,718.88 is: 9,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,497.36 : 15,867.96 = 6,718.88 : x
  2. Step 2: Convert to fraction form
    11,497.36/15,867.96 = 6,718.88/x
  3. Step 3: Cross multiply
    11,497.36x = 15,867.96 × 6,718.88
  4. Step 4: Simplify right side
    11,497.36x = 106,614,919.08
  5. Step 5: Solve for x
    x = 106,614,919.08/11,497.36
  6. Step 6: Final answer
    x = 9,272.99

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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.