Home / 11,735.90-16,195.56-7,020.18

Finding the Fourth Proportional to 11,735.90, 16,195.56 and 7,020.18

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Solution

The fourth proportional to 11,735.90, 16,195.56 and 7,020.18 is: 9,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,735.90 : 16,195.56 = 7,020.18 : x
  2. Step 2: Convert to fraction form
    11,735.90/16,195.56 = 7,020.18/x
  3. Step 3: Cross multiply
    11,735.90x = 16,195.56 × 7,020.18
  4. Step 4: Simplify right side
    11,735.90x = 113,695,746.40
  5. Step 5: Solve for x
    x = 113,695,746.40/11,735.90
  6. Step 6: Final answer
    x = 9,687.86

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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.