Home / 11,153.30-16,697.55-10,829.30

Finding the Fourth Proportional to 11,153.30, 16,697.55 and 10,829.30

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Solution

The fourth proportional to 11,153.30, 16,697.55 and 10,829.30 is: 16,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.30 : 16,697.55 = 10,829.30 : x
  2. Step 2: Convert to fraction form
    11,153.30/16,697.55 = 10,829.30/x
  3. Step 3: Cross multiply
    11,153.30x = 16,697.55 × 10,829.30
  4. Step 4: Simplify right side
    11,153.30x = 180,822,778.22
  5. Step 5: Solve for x
    x = 180,822,778.22/11,153.30
  6. Step 6: Final answer
    x = 16,212.49

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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.