Home / 9,176.52-12,664.66-8,613.54

Finding the Fourth Proportional to 9,176.52, 12,664.66 and 8,613.54

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Solution

The fourth proportional to 9,176.52, 12,664.66 and 8,613.54 is: 11,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.52 : 12,664.66 = 8,613.54 : x
  2. Step 2: Convert to fraction form
    9,176.52/12,664.66 = 8,613.54/x
  3. Step 3: Cross multiply
    9,176.52x = 12,664.66 × 8,613.54
  4. Step 4: Simplify right side
    9,176.52x = 109,087,555.50
  5. Step 5: Solve for x
    x = 109,087,555.50/9,176.52
  6. Step 6: Final answer
    x = 11,887.68

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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.