Home / 8,515.45-11,746.92-4,976.61

Finding the Fourth Proportional to 8,515.45, 11,746.92 and 4,976.61

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Solution

The fourth proportional to 8,515.45, 11,746.92 and 4,976.61 is: 6,865.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.45 : 11,746.92 = 4,976.61 : x
  2. Step 2: Convert to fraction form
    8,515.45/11,746.92 = 4,976.61/x
  3. Step 3: Cross multiply
    8,515.45x = 11,746.92 × 4,976.61
  4. Step 4: Simplify right side
    8,515.45x = 58,459,913.27
  5. Step 5: Solve for x
    x = 58,459,913.27/8,515.45
  6. Step 6: Final answer
    x = 6,865.16

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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.