Home / 10,716.60-16,089.30-6,828.60

Finding the Fourth Proportional to 10,716.60, 16,089.30 and 6,828.60

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Solution

The fourth proportional to 10,716.60, 16,089.30 and 6,828.60 is: 10,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.60 : 16,089.30 = 6,828.60 : x
  2. Step 2: Convert to fraction form
    10,716.60/16,089.30 = 6,828.60/x
  3. Step 3: Cross multiply
    10,716.60x = 16,089.30 × 6,828.60
  4. Step 4: Simplify right side
    10,716.60x = 109,867,393.98
  5. Step 5: Solve for x
    x = 109,867,393.98/10,716.60
  6. Step 6: Final answer
    x = 10,252.08

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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.