Home / 11,382.22-15,708.50-6,907.11

Finding the Fourth Proportional to 11,382.22, 15,708.50 and 6,907.11

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Solution

The fourth proportional to 11,382.22, 15,708.50 and 6,907.11 is: 9,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.22 : 15,708.50 = 6,907.11 : x
  2. Step 2: Convert to fraction form
    11,382.22/15,708.50 = 6,907.11/x
  3. Step 3: Cross multiply
    11,382.22x = 15,708.50 × 6,907.11
  4. Step 4: Simplify right side
    11,382.22x = 108,500,337.44
  5. Step 5: Solve for x
    x = 108,500,337.44/11,382.22
  6. Step 6: Final answer
    x = 9,532.44

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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.