Home / 8,149.76-11,247.36-4,613.12

Finding the Fourth Proportional to 8,149.76, 11,247.36 and 4,613.12

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Solution

The fourth proportional to 8,149.76, 11,247.36 and 4,613.12 is: 6,366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.76 : 11,247.36 = 4,613.12 : x
  2. Step 2: Convert to fraction form
    8,149.76/11,247.36 = 4,613.12/x
  3. Step 3: Cross multiply
    8,149.76x = 11,247.36 × 4,613.12
  4. Step 4: Simplify right side
    8,149.76x = 51,885,421.36
  5. Step 5: Solve for x
    x = 51,885,421.36/8,149.76
  6. Step 6: Final answer
    x = 6,366.50

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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.