Home / 10,383.14-15,565.44-3,807.80

Finding the Fourth Proportional to 10,383.14, 15,565.44 and 3,807.80

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Solution

The fourth proportional to 10,383.14, 15,565.44 and 3,807.80 is: 5,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.14 : 15,565.44 = 3,807.80 : x
  2. Step 2: Convert to fraction form
    10,383.14/15,565.44 = 3,807.80/x
  3. Step 3: Cross multiply
    10,383.14x = 15,565.44 × 3,807.80
  4. Step 4: Simplify right side
    10,383.14x = 59,270,004.60
  5. Step 5: Solve for x
    x = 59,270,004.60/10,383.14
  6. Step 6: Final answer
    x = 5,708.30

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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.