Home / 12,207.04-16,845.80-6,618.04

Finding the Fourth Proportional to 12,207.04, 16,845.80 and 6,618.04

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Solution

The fourth proportional to 12,207.04, 16,845.80 and 6,618.04 is: 9,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.04 : 16,845.80 = 6,618.04 : x
  2. Step 2: Convert to fraction form
    12,207.04/16,845.80 = 6,618.04/x
  3. Step 3: Cross multiply
    12,207.04x = 16,845.80 × 6,618.04
  4. Step 4: Simplify right side
    12,207.04x = 111,486,178.23
  5. Step 5: Solve for x
    x = 111,486,178.23/12,207.04
  6. Step 6: Final answer
    x = 9,132.94

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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.