Home / 11,232.38-16,848.34-4,990.70

Finding the Fourth Proportional to 11,232.38, 16,848.34 and 4,990.70

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Solution

The fourth proportional to 11,232.38, 16,848.34 and 4,990.70 is: 7,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.38 : 16,848.34 = 4,990.70 : x
  2. Step 2: Convert to fraction form
    11,232.38/16,848.34 = 4,990.70/x
  3. Step 3: Cross multiply
    11,232.38x = 16,848.34 × 4,990.70
  4. Step 4: Simplify right side
    11,232.38x = 84,085,010.44
  5. Step 5: Solve for x
    x = 84,085,010.44/11,232.38
  6. Step 6: Final answer
    x = 7,485.95

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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.