Home / 7,913.92-11,860.80-5,960.56

Finding the Fourth Proportional to 7,913.92, 11,860.80 and 5,960.56

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Solution

The fourth proportional to 7,913.92, 11,860.80 and 5,960.56 is: 8,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.92 : 11,860.80 = 5,960.56 : x
  2. Step 2: Convert to fraction form
    7,913.92/11,860.80 = 5,960.56/x
  3. Step 3: Cross multiply
    7,913.92x = 11,860.80 × 5,960.56
  4. Step 4: Simplify right side
    7,913.92x = 70,697,010.05
  5. Step 5: Solve for x
    x = 70,697,010.05/7,913.92
  6. Step 6: Final answer
    x = 8,933.25

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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.