Home / 7,785.24-11,670.22-3,103.68

Finding the Fourth Proportional to 7,785.24, 11,670.22 and 3,103.68

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Solution

The fourth proportional to 7,785.24, 11,670.22 and 3,103.68 is: 4,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.24 : 11,670.22 = 3,103.68 : x
  2. Step 2: Convert to fraction form
    7,785.24/11,670.22 = 3,103.68/x
  3. Step 3: Cross multiply
    7,785.24x = 11,670.22 × 3,103.68
  4. Step 4: Simplify right side
    7,785.24x = 36,220,628.41
  5. Step 5: Solve for x
    x = 36,220,628.41/7,785.24
  6. Step 6: Final answer
    x = 4,652.47

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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.