Home / 12,400.35-18,585.94-4,994.92

Finding the Fourth Proportional to 12,400.35, 18,585.94 and 4,994.92

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Solution

The fourth proportional to 12,400.35, 18,585.94 and 4,994.92 is: 7,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.35 : 18,585.94 = 4,994.92 : x
  2. Step 2: Convert to fraction form
    12,400.35/18,585.94 = 4,994.92/x
  3. Step 3: Cross multiply
    12,400.35x = 18,585.94 × 4,994.92
  4. Step 4: Simplify right side
    12,400.35x = 92,835,283.42
  5. Step 5: Solve for x
    x = 92,835,283.42/12,400.35
  6. Step 6: Final answer
    x = 7,486.51

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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.