Home / 10,911.30-16,357.23-4,333.02

Finding the Fourth Proportional to 10,911.30, 16,357.23 and 4,333.02

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Solution

The fourth proportional to 10,911.30, 16,357.23 and 4,333.02 is: 6,495.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.30 : 16,357.23 = 4,333.02 : x
  2. Step 2: Convert to fraction form
    10,911.30/16,357.23 = 4,333.02/x
  3. Step 3: Cross multiply
    10,911.30x = 16,357.23 × 4,333.02
  4. Step 4: Simplify right side
    10,911.30x = 70,876,204.73
  5. Step 5: Solve for x
    x = 70,876,204.73/10,911.30
  6. Step 6: Final answer
    x = 6,495.67

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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.