Home / 11,180.99-15,425.87-6,706.19

Finding the Fourth Proportional to 11,180.99, 15,425.87 and 6,706.19

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Solution

The fourth proportional to 11,180.99, 15,425.87 and 6,706.19 is: 9,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.99 : 15,425.87 = 6,706.19 : x
  2. Step 2: Convert to fraction form
    11,180.99/15,425.87 = 6,706.19/x
  3. Step 3: Cross multiply
    11,180.99x = 15,425.87 × 6,706.19
  4. Step 4: Simplify right side
    11,180.99x = 103,448,704.48
  5. Step 5: Solve for x
    x = 103,448,704.48/11,180.99
  6. Step 6: Final answer
    x = 9,252.20

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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.