Home / 12,255.03-16,910.17-6,948.81

Finding the Fourth Proportional to 12,255.03, 16,910.17 and 6,948.81

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Solution

The fourth proportional to 12,255.03, 16,910.17 and 6,948.81 is: 9,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255.03 : 16,910.17 = 6,948.81 : x
  2. Step 2: Convert to fraction form
    12,255.03/16,910.17 = 6,948.81/x
  3. Step 3: Cross multiply
    12,255.03x = 16,910.17 × 6,948.81
  4. Step 4: Simplify right side
    12,255.03x = 117,505,558.40
  5. Step 5: Solve for x
    x = 117,505,558.40/12,255.03
  6. Step 6: Final answer
    x = 9,588.35

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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.