Home / 40,798.10-61,197.84-11,215.76

Finding the Fourth Proportional to 40,798.10, 61,197.84 and 11,215.76

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Solution

The fourth proportional to 40,798.10, 61,197.84 and 11,215.76 is: 16,823.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,798.10 : 61,197.84 = 11,215.76 : x
  2. Step 2: Convert to fraction form
    40,798.10/61,197.84 = 11,215.76/x
  3. Step 3: Cross multiply
    40,798.10x = 61,197.84 × 11,215.76
  4. Step 4: Simplify right side
    40,798.10x = 686,380,285.96
  5. Step 5: Solve for x
    x = 686,380,285.96/40,798.10
  6. Step 6: Final answer
    x = 16,823.83

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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.