Home / 12,099.90-16,696.70-6,793.50

Finding the Fourth Proportional to 12,099.90, 16,696.70 and 6,793.50

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Solution

The fourth proportional to 12,099.90, 16,696.70 and 6,793.50 is: 9,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.90 : 16,696.70 = 6,793.50 : x
  2. Step 2: Convert to fraction form
    12,099.90/16,696.70 = 6,793.50/x
  3. Step 3: Cross multiply
    12,099.90x = 16,696.70 × 6,793.50
  4. Step 4: Simplify right side
    12,099.90x = 113,429,031.45
  5. Step 5: Solve for x
    x = 113,429,031.45/12,099.90
  6. Step 6: Final answer
    x = 9,374.38

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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.