Home / 7,923.72-10,932.66-4,777.68

Finding the Fourth Proportional to 7,923.72, 10,932.66 and 4,777.68

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Solution

The fourth proportional to 7,923.72, 10,932.66 and 4,777.68 is: 6,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.72 : 10,932.66 = 4,777.68 : x
  2. Step 2: Convert to fraction form
    7,923.72/10,932.66 = 4,777.68/x
  3. Step 3: Cross multiply
    7,923.72x = 10,932.66 × 4,777.68
  4. Step 4: Simplify right side
    7,923.72x = 52,232,751.03
  5. Step 5: Solve for x
    x = 52,232,751.03/7,923.72
  6. Step 6: Final answer
    x = 6,591.95

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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.