Home / 10,171.76-15,231.72-4,964

Finding the Fourth Proportional to 10,171.76, 15,231.72 and 4,964

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Solution

The fourth proportional to 10,171.76, 15,231.72 and 4,964 is: 7,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.76 : 15,231.72 = 4,964 : x
  2. Step 2: Convert to fraction form
    10,171.76/15,231.72 = 4,964/x
  3. Step 3: Cross multiply
    10,171.76x = 15,231.72 × 4,964
  4. Step 4: Simplify right side
    10,171.76x = 75,610,258.08
  5. Step 5: Solve for x
    x = 75,610,258.08/10,171.76
  6. Step 6: Final answer
    x = 7,433.35

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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.