Home / 12,235.15-16,881.62-7,199.58

Finding the Fourth Proportional to 12,235.15, 16,881.62 and 7,199.58

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Solution

The fourth proportional to 12,235.15, 16,881.62 and 7,199.58 is: 9,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.15 : 16,881.62 = 7,199.58 : x
  2. Step 2: Convert to fraction form
    12,235.15/16,881.62 = 7,199.58/x
  3. Step 3: Cross multiply
    12,235.15x = 16,881.62 × 7,199.58
  4. Step 4: Simplify right side
    12,235.15x = 121,540,601.03
  5. Step 5: Solve for x
    x = 121,540,601.03/12,235.15
  6. Step 6: Final answer
    x = 9,933.72

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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.