Home / 11,665.67-16,099.05-6,630.74

Finding the Fourth Proportional to 11,665.67, 16,099.05 and 6,630.74

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Solution

The fourth proportional to 11,665.67, 16,099.05 and 6,630.74 is: 9,150.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665.67 : 16,099.05 = 6,630.74 : x
  2. Step 2: Convert to fraction form
    11,665.67/16,099.05 = 6,630.74/x
  3. Step 3: Cross multiply
    11,665.67x = 16,099.05 × 6,630.74
  4. Step 4: Simplify right side
    11,665.67x = 106,748,614.80
  5. Step 5: Solve for x
    x = 106,748,614.80/11,665.67
  6. Step 6: Final answer
    x = 9,150.66

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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.