Home / 7,981.99-11,015.14-4,446.04

Finding the Fourth Proportional to 7,981.99, 11,015.14 and 4,446.04

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Solution

The fourth proportional to 7,981.99, 11,015.14 and 4,446.04 is: 6,135.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.99 : 11,015.14 = 4,446.04 : x
  2. Step 2: Convert to fraction form
    7,981.99/11,015.14 = 4,446.04/x
  3. Step 3: Cross multiply
    7,981.99x = 11,015.14 × 4,446.04
  4. Step 4: Simplify right side
    7,981.99x = 48,973,741.93
  5. Step 5: Solve for x
    x = 48,973,741.93/7,981.99
  6. Step 6: Final answer
    x = 6,135.53

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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.