Home / 11,702.07-17,549.46-3,909.06

Finding the Fourth Proportional to 11,702.07, 17,549.46 and 3,909.06

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Solution

The fourth proportional to 11,702.07, 17,549.46 and 3,909.06 is: 5,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702.07 : 17,549.46 = 3,909.06 : x
  2. Step 2: Convert to fraction form
    11,702.07/17,549.46 = 3,909.06/x
  3. Step 3: Cross multiply
    11,702.07x = 17,549.46 × 3,909.06
  4. Step 4: Simplify right side
    11,702.07x = 68,601,945.75
  5. Step 5: Solve for x
    x = 68,601,945.75/11,702.07
  6. Step 6: Final answer
    x = 5,862.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.