Home / 11,156.24-16,724.40-4,235.60

Finding the Fourth Proportional to 11,156.24, 16,724.40 and 4,235.60

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Solution

The fourth proportional to 11,156.24, 16,724.40 and 4,235.60 is: 6,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.24 : 16,724.40 = 4,235.60 : x
  2. Step 2: Convert to fraction form
    11,156.24/16,724.40 = 4,235.60/x
  3. Step 3: Cross multiply
    11,156.24x = 16,724.40 × 4,235.60
  4. Step 4: Simplify right side
    11,156.24x = 70,837,868.64
  5. Step 5: Solve for x
    x = 70,837,868.64/11,156.24
  6. Step 6: Final answer
    x = 6,349.62

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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.