Home / 8,179.08-11,284.02-4,640.52

Finding the Fourth Proportional to 8,179.08, 11,284.02 and 4,640.52

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Solution

The fourth proportional to 8,179.08, 11,284.02 and 4,640.52 is: 6,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.08 : 11,284.02 = 4,640.52 : x
  2. Step 2: Convert to fraction form
    8,179.08/11,284.02 = 4,640.52/x
  3. Step 3: Cross multiply
    8,179.08x = 11,284.02 × 4,640.52
  4. Step 4: Simplify right side
    8,179.08x = 52,363,720.49
  5. Step 5: Solve for x
    x = 52,363,720.49/8,179.08
  6. Step 6: Final answer
    x = 6,402.15

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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.