Home / 10,900.37-16,345.40-3,502.85

Finding the Fourth Proportional to 10,900.37, 16,345.40 and 3,502.85

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Solution

The fourth proportional to 10,900.37, 16,345.40 and 3,502.85 is: 5,252.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.37 : 16,345.40 = 3,502.85 : x
  2. Step 2: Convert to fraction form
    10,900.37/16,345.40 = 3,502.85/x
  3. Step 3: Cross multiply
    10,900.37x = 16,345.40 × 3,502.85
  4. Step 4: Simplify right side
    10,900.37x = 57,255,385.15
  5. Step 5: Solve for x
    x = 57,255,385.15/10,900.37
  6. Step 6: Final answer
    x = 5,252.61

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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.