Home / 11,029.05-16,542.14-3,130.67

Finding the Fourth Proportional to 11,029.05, 16,542.14 and 3,130.67

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Solution

The fourth proportional to 11,029.05, 16,542.14 and 3,130.67 is: 4,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.05 : 16,542.14 = 3,130.67 : x
  2. Step 2: Convert to fraction form
    11,029.05/16,542.14 = 3,130.67/x
  3. Step 3: Cross multiply
    11,029.05x = 16,542.14 × 3,130.67
  4. Step 4: Simplify right side
    11,029.05x = 51,787,981.43
  5. Step 5: Solve for x
    x = 51,787,981.43/11,029.05
  6. Step 6: Final answer
    x = 4,695.60

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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.