Home / 10,901.79-16,355.39-3,110.67

Finding the Fourth Proportional to 10,901.79, 16,355.39 and 3,110.67

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Solution

The fourth proportional to 10,901.79, 16,355.39 and 3,110.67 is: 4,666.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.79 : 16,355.39 = 3,110.67 : x
  2. Step 2: Convert to fraction form
    10,901.79/16,355.39 = 3,110.67/x
  3. Step 3: Cross multiply
    10,901.79x = 16,355.39 × 3,110.67
  4. Step 4: Simplify right side
    10,901.79x = 50,876,205.46
  5. Step 5: Solve for x
    x = 50,876,205.46/10,901.79
  6. Step 6: Final answer
    x = 4,666.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.