Home / 7,809.92-10,777.96-4,453.24

Finding the Fourth Proportional to 7,809.92, 10,777.96 and 4,453.24

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Solution

The fourth proportional to 7,809.92, 10,777.96 and 4,453.24 is: 6,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.92 : 10,777.96 = 4,453.24 : x
  2. Step 2: Convert to fraction form
    7,809.92/10,777.96 = 4,453.24/x
  3. Step 3: Cross multiply
    7,809.92x = 10,777.96 × 4,453.24
  4. Step 4: Simplify right side
    7,809.92x = 47,996,842.59
  5. Step 5: Solve for x
    x = 47,996,842.59/7,809.92
  6. Step 6: Final answer
    x = 6,145.63

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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.