Home / 11,011.87-16,518.36-3,114.95

Finding the Fourth Proportional to 11,011.87, 16,518.36 and 3,114.95

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Solution

The fourth proportional to 11,011.87, 16,518.36 and 3,114.95 is: 4,672.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.87 : 16,518.36 = 3,114.95 : x
  2. Step 2: Convert to fraction form
    11,011.87/16,518.36 = 3,114.95/x
  3. Step 3: Cross multiply
    11,011.87x = 16,518.36 × 3,114.95
  4. Step 4: Simplify right side
    11,011.87x = 51,453,865.48
  5. Step 5: Solve for x
    x = 51,453,865.48/11,011.87
  6. Step 6: Final answer
    x = 4,672.58

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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.