Home / 7,539.90-11,293.38-3,636.11

Finding the Fourth Proportional to 7,539.90, 11,293.38 and 3,636.11

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Solution

The fourth proportional to 7,539.90, 11,293.38 and 3,636.11 is: 5,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.90 : 11,293.38 = 3,636.11 : x
  2. Step 2: Convert to fraction form
    7,539.90/11,293.38 = 3,636.11/x
  3. Step 3: Cross multiply
    7,539.90x = 11,293.38 × 3,636.11
  4. Step 4: Simplify right side
    7,539.90x = 41,063,915.48
  5. Step 5: Solve for x
    x = 41,063,915.48/7,539.90
  6. Step 6: Final answer
    x = 5,446.21

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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.