Home / 10,214.24-15,300.09-9,861.75

Finding the Fourth Proportional to 10,214.24, 15,300.09 and 9,861.75

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Solution

The fourth proportional to 10,214.24, 15,300.09 and 9,861.75 is: 14,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.24 : 15,300.09 = 9,861.75 : x
  2. Step 2: Convert to fraction form
    10,214.24/15,300.09 = 9,861.75/x
  3. Step 3: Cross multiply
    10,214.24x = 15,300.09 × 9,861.75
  4. Step 4: Simplify right side
    10,214.24x = 150,885,662.56
  5. Step 5: Solve for x
    x = 150,885,662.56/10,214.24
  6. Step 6: Final answer
    x = 14,772.10

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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.