Home / 12,100.64-16,698.12-6,795.32

Finding the Fourth Proportional to 12,100.64, 16,698.12 and 6,795.32

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Solution

The fourth proportional to 12,100.64, 16,698.12 and 6,795.32 is: 9,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100.64 : 16,698.12 = 6,795.32 : x
  2. Step 2: Convert to fraction form
    12,100.64/16,698.12 = 6,795.32/x
  3. Step 3: Cross multiply
    12,100.64x = 16,698.12 × 6,795.32
  4. Step 4: Simplify right side
    12,100.64x = 113,469,068.80
  5. Step 5: Solve for x
    x = 113,469,068.80/12,100.64
  6. Step 6: Final answer
    x = 9,377.11

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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.