Home / 10,485.24-15,728.70-2,694.04

Finding the Fourth Proportional to 10,485.24, 15,728.70 and 2,694.04

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Solution

The fourth proportional to 10,485.24, 15,728.70 and 2,694.04 is: 4,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.24 : 15,728.70 = 2,694.04 : x
  2. Step 2: Convert to fraction form
    10,485.24/15,728.70 = 2,694.04/x
  3. Step 3: Cross multiply
    10,485.24x = 15,728.70 × 2,694.04
  4. Step 4: Simplify right side
    10,485.24x = 42,373,746.95
  5. Step 5: Solve for x
    x = 42,373,746.95/10,485.24
  6. Step 6: Final answer
    x = 4,041.28

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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.