Home / 9,150.96-13,713.42-4,981.92

Finding the Fourth Proportional to 9,150.96, 13,713.42 and 4,981.92

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Solution

The fourth proportional to 9,150.96, 13,713.42 and 4,981.92 is: 7,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.96 : 13,713.42 = 4,981.92 : x
  2. Step 2: Convert to fraction form
    9,150.96/13,713.42 = 4,981.92/x
  3. Step 3: Cross multiply
    9,150.96x = 13,713.42 × 4,981.92
  4. Step 4: Simplify right side
    9,150.96x = 68,319,161.37
  5. Step 5: Solve for x
    x = 68,319,161.37/9,150.96
  6. Step 6: Final answer
    x = 7,465.79

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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.