Home / 11,177.73-15,422.72-6,702.30

Finding the Fourth Proportional to 11,177.73, 15,422.72 and 6,702.30

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Solution

The fourth proportional to 11,177.73, 15,422.72 and 6,702.30 is: 9,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.73 : 15,422.72 = 6,702.30 : x
  2. Step 2: Convert to fraction form
    11,177.73/15,422.72 = 6,702.30/x
  3. Step 3: Cross multiply
    11,177.73x = 15,422.72 × 6,702.30
  4. Step 4: Simplify right side
    11,177.73x = 103,367,662.74
  5. Step 5: Solve for x
    x = 103,367,662.74/11,177.73
  6. Step 6: Final answer
    x = 9,247.64

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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.