Home / 11,216.64-15,473.91-6,498.39

Finding the Fourth Proportional to 11,216.64, 15,473.91 and 6,498.39

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Solution

The fourth proportional to 11,216.64, 15,473.91 and 6,498.39 is: 8,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.64 : 15,473.91 = 6,498.39 : x
  2. Step 2: Convert to fraction form
    11,216.64/15,473.91 = 6,498.39/x
  3. Step 3: Cross multiply
    11,216.64x = 15,473.91 × 6,498.39
  4. Step 4: Simplify right side
    11,216.64x = 100,555,502.00
  5. Step 5: Solve for x
    x = 100,555,502.00/11,216.64
  6. Step 6: Final answer
    x = 8,964.85

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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.