Home / 12,181.04-16,809.48-6,876.35

Finding the Fourth Proportional to 12,181.04, 16,809.48 and 6,876.35

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Solution

The fourth proportional to 12,181.04, 16,809.48 and 6,876.35 is: 9,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181.04 : 16,809.48 = 6,876.35 : x
  2. Step 2: Convert to fraction form
    12,181.04/16,809.48 = 6,876.35/x
  3. Step 3: Cross multiply
    12,181.04x = 16,809.48 × 6,876.35
  4. Step 4: Simplify right side
    12,181.04x = 115,587,867.80
  5. Step 5: Solve for x
    x = 115,587,867.80/12,181.04
  6. Step 6: Final answer
    x = 9,489.16

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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.