Home / 10,859.20-16,285.55-5,662.24

Finding the Fourth Proportional to 10,859.20, 16,285.55 and 5,662.24

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Solution

The fourth proportional to 10,859.20, 16,285.55 and 5,662.24 is: 8,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.20 : 16,285.55 = 5,662.24 : x
  2. Step 2: Convert to fraction form
    10,859.20/16,285.55 = 5,662.24/x
  3. Step 3: Cross multiply
    10,859.20x = 16,285.55 × 5,662.24
  4. Step 4: Simplify right side
    10,859.20x = 92,212,692.63
  5. Step 5: Solve for x
    x = 92,212,692.63/10,859.20
  6. Step 6: Final answer
    x = 8,491.67

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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.