Home / 10,917.84-16,399.44-10,626.24

Finding the Fourth Proportional to 10,917.84, 16,399.44 and 10,626.24

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Solution

The fourth proportional to 10,917.84, 16,399.44 and 10,626.24 is: 15,961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.84 : 16,399.44 = 10,626.24 : x
  2. Step 2: Convert to fraction form
    10,917.84/16,399.44 = 10,626.24/x
  3. Step 3: Cross multiply
    10,917.84x = 16,399.44 × 10,626.24
  4. Step 4: Simplify right side
    10,917.84x = 174,264,385.31
  5. Step 5: Solve for x
    x = 174,264,385.31/10,917.84
  6. Step 6: Final answer
    x = 15,961.43

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1.5x scale

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.