Home / 11,951.48-16,492.92-6,646.58

Finding the Fourth Proportional to 11,951.48, 16,492.92 and 6,646.58

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Solution

The fourth proportional to 11,951.48, 16,492.92 and 6,646.58 is: 9,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.48 : 16,492.92 = 6,646.58 : x
  2. Step 2: Convert to fraction form
    11,951.48/16,492.92 = 6,646.58/x
  3. Step 3: Cross multiply
    11,951.48x = 16,492.92 × 6,646.58
  4. Step 4: Simplify right side
    11,951.48x = 109,621,512.21
  5. Step 5: Solve for x
    x = 109,621,512.21/11,951.48
  6. Step 6: Final answer
    x = 9,172.21

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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.