Home / 11,180.16-15,429.60-6,704.64

Finding the Fourth Proportional to 11,180.16, 15,429.60 and 6,704.64

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Solution

The fourth proportional to 11,180.16, 15,429.60 and 6,704.64 is: 9,252.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.16 : 15,429.60 = 6,704.64 : x
  2. Step 2: Convert to fraction form
    11,180.16/15,429.60 = 6,704.64/x
  3. Step 3: Cross multiply
    11,180.16x = 15,429.60 × 6,704.64
  4. Step 4: Simplify right side
    11,180.16x = 103,449,913.34
  5. Step 5: Solve for x
    x = 103,449,913.34/11,180.16
  6. Step 6: Final answer
    x = 9,252.99

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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.