Home / 12,196.19-16,830.77-6,607.19

Finding the Fourth Proportional to 12,196.19, 16,830.77 and 6,607.19

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Solution

The fourth proportional to 12,196.19, 16,830.77 and 6,607.19 is: 9,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196.19 : 16,830.77 = 6,607.19 : x
  2. Step 2: Convert to fraction form
    12,196.19/16,830.77 = 6,607.19/x
  3. Step 3: Cross multiply
    12,196.19x = 16,830.77 × 6,607.19
  4. Step 4: Simplify right side
    12,196.19x = 111,204,095.24
  5. Step 5: Solve for x
    x = 111,204,095.24/12,196.19
  6. Step 6: Final answer
    x = 9,117.94

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Half scale
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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.