Home / 11,228.70-16,840.35-3,437.58

Finding the Fourth Proportional to 11,228.70, 16,840.35 and 3,437.58

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Solution

The fourth proportional to 11,228.70, 16,840.35 and 3,437.58 is: 5,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.70 : 16,840.35 = 3,437.58 : x
  2. Step 2: Convert to fraction form
    11,228.70/16,840.35 = 3,437.58/x
  3. Step 3: Cross multiply
    11,228.70x = 16,840.35 × 3,437.58
  4. Step 4: Simplify right side
    11,228.70x = 57,890,050.35
  5. Step 5: Solve for x
    x = 57,890,050.35/11,228.70
  6. Step 6: Final answer
    x = 5,155.54

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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.