Home / 11,666.69-16,099.68-6,631.46

Finding the Fourth Proportional to 11,666.69, 16,099.68 and 6,631.46

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Solution

The fourth proportional to 11,666.69, 16,099.68 and 6,631.46 is: 9,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.69 : 16,099.68 = 6,631.46 : x
  2. Step 2: Convert to fraction form
    11,666.69/16,099.68 = 6,631.46/x
  3. Step 3: Cross multiply
    11,666.69x = 16,099.68 × 6,631.46
  4. Step 4: Simplify right side
    11,666.69x = 106,764,270.28
  5. Step 5: Solve for x
    x = 106,764,270.28/11,666.69
  6. Step 6: Final answer
    x = 9,151.21

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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.