Home / 11,180.34-15,431.58-6,706.98

Finding the Fourth Proportional to 11,180.34, 15,431.58 and 6,706.98

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Solution

The fourth proportional to 11,180.34, 15,431.58 and 6,706.98 is: 9,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.34 : 15,431.58 = 6,706.98 : x
  2. Step 2: Convert to fraction form
    11,180.34/15,431.58 = 6,706.98/x
  3. Step 3: Cross multiply
    11,180.34x = 15,431.58 × 6,706.98
  4. Step 4: Simplify right side
    11,180.34x = 103,499,298.43
  5. Step 5: Solve for x
    x = 103,499,298.43/11,180.34
  6. Step 6: Final answer
    x = 9,257.26

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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.