Home / 10,475.44-15,727.74-5,284.96

Finding the Fourth Proportional to 10,475.44, 15,727.74 and 5,284.96

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Solution

The fourth proportional to 10,475.44, 15,727.74 and 5,284.96 is: 7,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475.44 : 15,727.74 = 5,284.96 : x
  2. Step 2: Convert to fraction form
    10,475.44/15,727.74 = 5,284.96/x
  3. Step 3: Cross multiply
    10,475.44x = 15,727.74 × 5,284.96
  4. Step 4: Simplify right side
    10,475.44x = 83,120,476.79
  5. Step 5: Solve for x
    x = 83,120,476.79/10,475.44
  6. Step 6: Final answer
    x = 7,934.80

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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.