Home / 12,228.80-16,837.95-9,550.83

Finding the Fourth Proportional to 12,228.80, 16,837.95 and 9,550.83

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Solution

The fourth proportional to 12,228.80, 16,837.95 and 9,550.83 is: 13,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.80 : 16,837.95 = 9,550.83 : x
  2. Step 2: Convert to fraction form
    12,228.80/16,837.95 = 9,550.83/x
  3. Step 3: Cross multiply
    12,228.80x = 16,837.95 × 9,550.83
  4. Step 4: Simplify right side
    12,228.80x = 160,816,398.00
  5. Step 5: Solve for x
    x = 160,816,398.00/12,228.80
  6. Step 6: Final answer
    x = 13,150.63

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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.