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Finding the Fourth Proportional to 11,498.04, 15,867.03 and 6,393.21

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Solution

The fourth proportional to 11,498.04, 15,867.03 and 6,393.21 is: 8,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,498.04 : 15,867.03 = 6,393.21 : x
  2. Step 2: Convert to fraction form
    11,498.04/15,867.03 = 6,393.21/x
  3. Step 3: Cross multiply
    11,498.04x = 15,867.03 × 6,393.21
  4. Step 4: Simplify right side
    11,498.04x = 101,441,254.87
  5. Step 5: Solve for x
    x = 101,441,254.87/11,498.04
  6. Step 6: Final answer
    x = 8,822.48

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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.