Home / 10,333.51-15,495.18-3,311.88

Finding the Fourth Proportional to 10,333.51, 15,495.18 and 3,311.88

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Solution

The fourth proportional to 10,333.51, 15,495.18 and 3,311.88 is: 4,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333.51 : 15,495.18 = 3,311.88 : x
  2. Step 2: Convert to fraction form
    10,333.51/15,495.18 = 3,311.88/x
  3. Step 3: Cross multiply
    10,333.51x = 15,495.18 × 3,311.88
  4. Step 4: Simplify right side
    10,333.51x = 51,318,099.26
  5. Step 5: Solve for x
    x = 51,318,099.26/10,333.51
  6. Step 6: Final answer
    x = 4,966.18

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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.