Home / 11,084.16-15,292.26-7,107.48

Finding the Fourth Proportional to 11,084.16, 15,292.26 and 7,107.48

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Solution

The fourth proportional to 11,084.16, 15,292.26 and 7,107.48 is: 9,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,084.16 : 15,292.26 = 7,107.48 : x
  2. Step 2: Convert to fraction form
    11,084.16/15,292.26 = 7,107.48/x
  3. Step 3: Cross multiply
    11,084.16x = 15,292.26 × 7,107.48
  4. Step 4: Simplify right side
    11,084.16x = 108,689,432.10
  5. Step 5: Solve for x
    x = 108,689,432.10/11,084.16
  6. Step 6: Final answer
    x = 9,805.83

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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.