Home / 10,431.81-15,651.36-4,588.88

Finding the Fourth Proportional to 10,431.81, 15,651.36 and 4,588.88

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Solution

The fourth proportional to 10,431.81, 15,651.36 and 4,588.88 is: 6,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.81 : 15,651.36 = 4,588.88 : x
  2. Step 2: Convert to fraction form
    10,431.81/15,651.36 = 4,588.88/x
  3. Step 3: Cross multiply
    10,431.81x = 15,651.36 × 4,588.88
  4. Step 4: Simplify right side
    10,431.81x = 71,822,134.62
  5. Step 5: Solve for x
    x = 71,822,134.62/10,431.81
  6. Step 6: Final answer
    x = 6,884.92

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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.