Home / 10,961.68-16,435.95-5,328.26

Finding the Fourth Proportional to 10,961.68, 16,435.95 and 5,328.26

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Solution

The fourth proportional to 10,961.68, 16,435.95 and 5,328.26 is: 7,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.68 : 16,435.95 = 5,328.26 : x
  2. Step 2: Convert to fraction form
    10,961.68/16,435.95 = 5,328.26/x
  3. Step 3: Cross multiply
    10,961.68x = 16,435.95 × 5,328.26
  4. Step 4: Simplify right side
    10,961.68x = 87,575,014.95
  5. Step 5: Solve for x
    x = 87,575,014.95/10,961.68
  6. Step 6: Final answer
    x = 7,989.20

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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.