Home / 8,100.08-11,177.83-4,913.74

Finding the Fourth Proportional to 8,100.08, 11,177.83 and 4,913.74

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Solution

The fourth proportional to 8,100.08, 11,177.83 and 4,913.74 is: 6,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.08 : 11,177.83 = 4,913.74 : x
  2. Step 2: Convert to fraction form
    8,100.08/11,177.83 = 4,913.74/x
  3. Step 3: Cross multiply
    8,100.08x = 11,177.83 × 4,913.74
  4. Step 4: Simplify right side
    8,100.08x = 54,924,925.82
  5. Step 5: Solve for x
    x = 54,924,925.82/8,100.08
  6. Step 6: Final answer
    x = 6,780.79

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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.