Home / 11,237.85-16,856.77-3,445.65

Finding the Fourth Proportional to 11,237.85, 16,856.77 and 3,445.65

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Solution

The fourth proportional to 11,237.85, 16,856.77 and 3,445.65 is: 5,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.85 : 16,856.77 = 3,445.65 : x
  2. Step 2: Convert to fraction form
    11,237.85/16,856.77 = 3,445.65/x
  3. Step 3: Cross multiply
    11,237.85x = 16,856.77 × 3,445.65
  4. Step 4: Simplify right side
    11,237.85x = 58,082,529.55
  5. Step 5: Solve for x
    x = 58,082,529.55/11,237.85
  6. Step 6: Final answer
    x = 5,168.47

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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.