Home / 10,523.07-15,784.72-2,731.88

Finding the Fourth Proportional to 10,523.07, 15,784.72 and 2,731.88

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Solution

The fourth proportional to 10,523.07, 15,784.72 and 2,731.88 is: 4,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,523.07 : 15,784.72 = 2,731.88 : x
  2. Step 2: Convert to fraction form
    10,523.07/15,784.72 = 2,731.88/x
  3. Step 3: Cross multiply
    10,523.07x = 15,784.72 × 2,731.88
  4. Step 4: Simplify right side
    10,523.07x = 43,121,993.51
  5. Step 5: Solve for x
    x = 43,121,993.51/10,523.07
  6. Step 6: Final answer
    x = 4,097.85

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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.