Home / 12,151.48-16,767.12-6,845.26

Finding the Fourth Proportional to 12,151.48, 16,767.12 and 6,845.26

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Solution

The fourth proportional to 12,151.48, 16,767.12 and 6,845.26 is: 9,445.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151.48 : 16,767.12 = 6,845.26 : x
  2. Step 2: Convert to fraction form
    12,151.48/16,767.12 = 6,845.26/x
  3. Step 3: Cross multiply
    12,151.48x = 16,767.12 × 6,845.26
  4. Step 4: Simplify right side
    12,151.48x = 114,775,295.85
  5. Step 5: Solve for x
    x = 114,775,295.85/12,151.48
  6. Step 6: Final answer
    x = 9,445.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.