Home / 10,333.72-15,500.20-3,313.56

Finding the Fourth Proportional to 10,333.72, 15,500.20 and 3,313.56

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Solution

The fourth proportional to 10,333.72, 15,500.20 and 3,313.56 is: 4,970.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333.72 : 15,500.20 = 3,313.56 : x
  2. Step 2: Convert to fraction form
    10,333.72/15,500.20 = 3,313.56/x
  3. Step 3: Cross multiply
    10,333.72x = 15,500.20 × 3,313.56
  4. Step 4: Simplify right side
    10,333.72x = 51,360,842.71
  5. Step 5: Solve for x
    x = 51,360,842.71/10,333.72
  6. Step 6: Final answer
    x = 4,970.22

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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.