Home / 8,176.08-11,282.32-4,639.88

Finding the Fourth Proportional to 8,176.08, 11,282.32 and 4,639.88

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Solution

The fourth proportional to 8,176.08, 11,282.32 and 4,639.88 is: 6,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.08 : 11,282.32 = 4,639.88 : x
  2. Step 2: Convert to fraction form
    8,176.08/11,282.32 = 4,639.88/x
  3. Step 3: Cross multiply
    8,176.08x = 11,282.32 × 4,639.88
  4. Step 4: Simplify right side
    8,176.08x = 52,348,610.92
  5. Step 5: Solve for x
    x = 52,348,610.92/8,176.08
  6. Step 6: Final answer
    x = 6,402.65

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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.