Home / 8,156.83-11,263.32-5,177.95

Finding the Fourth Proportional to 8,156.83, 11,263.32 and 5,177.95

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Solution

The fourth proportional to 8,156.83, 11,263.32 and 5,177.95 is: 7,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.83 : 11,263.32 = 5,177.95 : x
  2. Step 2: Convert to fraction form
    8,156.83/11,263.32 = 5,177.95/x
  3. Step 3: Cross multiply
    8,156.83x = 11,263.32 × 5,177.95
  4. Step 4: Simplify right side
    8,156.83x = 58,320,907.79
  5. Step 5: Solve for x
    x = 58,320,907.79/8,156.83
  6. Step 6: Final answer
    x = 7,149.95

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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.