Home / 12,039.75-16,633.19-9,622.35

Finding the Fourth Proportional to 12,039.75, 16,633.19 and 9,622.35

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Solution

The fourth proportional to 12,039.75, 16,633.19 and 9,622.35 is: 13,293.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.75 : 16,633.19 = 9,622.35 : x
  2. Step 2: Convert to fraction form
    12,039.75/16,633.19 = 9,622.35/x
  3. Step 3: Cross multiply
    12,039.75x = 16,633.19 × 9,622.35
  4. Step 4: Simplify right side
    12,039.75x = 160,050,327.68
  5. Step 5: Solve for x
    x = 160,050,327.68/12,039.75
  6. Step 6: Final answer
    x = 13,293.49

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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.