Home / 8,857.91-12,224.02-4,878.94

Finding the Fourth Proportional to 8,857.91, 12,224.02 and 4,878.94

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Solution

The fourth proportional to 8,857.91, 12,224.02 and 4,878.94 is: 6,732.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.91 : 12,224.02 = 4,878.94 : x
  2. Step 2: Convert to fraction form
    8,857.91/12,224.02 = 4,878.94/x
  3. Step 3: Cross multiply
    8,857.91x = 12,224.02 × 4,878.94
  4. Step 4: Simplify right side
    8,857.91x = 59,640,235.74
  5. Step 5: Solve for x
    x = 59,640,235.74/8,857.91
  6. Step 6: Final answer
    x = 6,732.99

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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.