Home / 8,722.92-12,037.95-4,997.64

Finding the Fourth Proportional to 8,722.92, 12,037.95 and 4,997.64

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Solution

The fourth proportional to 8,722.92, 12,037.95 and 4,997.64 is: 6,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.92 : 12,037.95 = 4,997.64 : x
  2. Step 2: Convert to fraction form
    8,722.92/12,037.95 = 4,997.64/x
  3. Step 3: Cross multiply
    8,722.92x = 12,037.95 × 4,997.64
  4. Step 4: Simplify right side
    8,722.92x = 60,161,340.44
  5. Step 5: Solve for x
    x = 60,161,340.44/8,722.92
  6. Step 6: Final answer
    x = 6,896.93

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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.