Home / 10,875.36-16,309.80-4,635.30

Finding the Fourth Proportional to 10,875.36, 16,309.80 and 4,635.30

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Solution

The fourth proportional to 10,875.36, 16,309.80 and 4,635.30 is: 6,951.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.36 : 16,309.80 = 4,635.30 : x
  2. Step 2: Convert to fraction form
    10,875.36/16,309.80 = 4,635.30/x
  3. Step 3: Cross multiply
    10,875.36x = 16,309.80 × 4,635.30
  4. Step 4: Simplify right side
    10,875.36x = 75,600,815.94
  5. Step 5: Solve for x
    x = 75,600,815.94/10,875.36
  6. Step 6: Final answer
    x = 6,951.57

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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.