Home / 8,177.72-11,287.43-5,036.54

Finding the Fourth Proportional to 8,177.72, 11,287.43 and 5,036.54

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Solution

The fourth proportional to 8,177.72, 11,287.43 and 5,036.54 is: 6,951.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.72 : 11,287.43 = 5,036.54 : x
  2. Step 2: Convert to fraction form
    8,177.72/11,287.43 = 5,036.54/x
  3. Step 3: Cross multiply
    8,177.72x = 11,287.43 × 5,036.54
  4. Step 4: Simplify right side
    8,177.72x = 56,849,511.07
  5. Step 5: Solve for x
    x = 56,849,511.07/8,177.72
  6. Step 6: Final answer
    x = 6,951.76

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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.