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Finding the Fourth Proportional to 10,993.51, 16,498.37 and 6,839.63

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Solution

The fourth proportional to 10,993.51, 16,498.37 and 6,839.63 is: 10,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.51 : 16,498.37 = 6,839.63 : x
  2. Step 2: Convert to fraction form
    10,993.51/16,498.37 = 6,839.63/x
  3. Step 3: Cross multiply
    10,993.51x = 16,498.37 × 6,839.63
  4. Step 4: Simplify right side
    10,993.51x = 112,842,712.20
  5. Step 5: Solve for x
    x = 112,842,712.20/10,993.51
  6. Step 6: Final answer
    x = 10,264.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.