Home / 7,673.24-11,509.38-2,742.63

Finding the Fourth Proportional to 7,673.24, 11,509.38 and 2,742.63

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Solution

The fourth proportional to 7,673.24, 11,509.38 and 2,742.63 is: 4,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.24 : 11,509.38 = 2,742.63 : x
  2. Step 2: Convert to fraction form
    7,673.24/11,509.38 = 2,742.63/x
  3. Step 3: Cross multiply
    7,673.24x = 11,509.38 × 2,742.63
  4. Step 4: Simplify right side
    7,673.24x = 31,565,970.87
  5. Step 5: Solve for x
    x = 31,565,970.87/7,673.24
  6. Step 6: Final answer
    x = 4,113.78

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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.