Home / 10,410.68-15,615.87-2,513.12

Finding the Fourth Proportional to 10,410.68, 15,615.87 and 2,513.12

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Solution

The fourth proportional to 10,410.68, 15,615.87 and 2,513.12 is: 3,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.68 : 15,615.87 = 2,513.12 : x
  2. Step 2: Convert to fraction form
    10,410.68/15,615.87 = 2,513.12/x
  3. Step 3: Cross multiply
    10,410.68x = 15,615.87 × 2,513.12
  4. Step 4: Simplify right side
    10,410.68x = 39,244,555.21
  5. Step 5: Solve for x
    x = 39,244,555.21/10,410.68
  6. Step 6: Final answer
    x = 3,769.65

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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.