Home / 10,500.85-15,753.21-3,004.09

Finding the Fourth Proportional to 10,500.85, 15,753.21 and 3,004.09

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Solution

The fourth proportional to 10,500.85, 15,753.21 and 3,004.09 is: 4,506.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.85 : 15,753.21 = 3,004.09 : x
  2. Step 2: Convert to fraction form
    10,500.85/15,753.21 = 3,004.09/x
  3. Step 3: Cross multiply
    10,500.85x = 15,753.21 × 3,004.09
  4. Step 4: Simplify right side
    10,500.85x = 47,324,060.63
  5. Step 5: Solve for x
    x = 47,324,060.63/10,500.85
  6. Step 6: Final answer
    x = 4,506.69

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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.