Home / 10,802.32-16,205.94-3,782.68

Finding the Fourth Proportional to 10,802.32, 16,205.94 and 3,782.68

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Solution

The fourth proportional to 10,802.32, 16,205.94 and 3,782.68 is: 5,674.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.32 : 16,205.94 = 3,782.68 : x
  2. Step 2: Convert to fraction form
    10,802.32/16,205.94 = 3,782.68/x
  3. Step 3: Cross multiply
    10,802.32x = 16,205.94 × 3,782.68
  4. Step 4: Simplify right side
    10,802.32x = 61,301,885.12
  5. Step 5: Solve for x
    x = 61,301,885.12/10,802.32
  6. Step 6: Final answer
    x = 5,674.88

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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.