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Finding the Fourth Proportional to 12,298.83, 16,973.07 and 9,309.39

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Solution

The fourth proportional to 12,298.83, 16,973.07 and 9,309.39 is: 12,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.83 : 16,973.07 = 9,309.39 : x
  2. Step 2: Convert to fraction form
    12,298.83/16,973.07 = 9,309.39/x
  3. Step 3: Cross multiply
    12,298.83x = 16,973.07 × 9,309.39
  4. Step 4: Simplify right side
    12,298.83x = 158,008,928.13
  5. Step 5: Solve for x
    x = 158,008,928.13/12,298.83
  6. Step 6: Final answer
    x = 12,847.48

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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.