Home / 12,109.92-16,673.04-10,334.40

Finding the Fourth Proportional to 12,109.92, 16,673.04 and 10,334.40

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Solution

The fourth proportional to 12,109.92, 16,673.04 and 10,334.40 is: 14,228.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109.92 : 16,673.04 = 10,334.40 : x
  2. Step 2: Convert to fraction form
    12,109.92/16,673.04 = 10,334.40/x
  3. Step 3: Cross multiply
    12,109.92x = 16,673.04 × 10,334.40
  4. Step 4: Simplify right side
    12,109.92x = 172,305,864.58
  5. Step 5: Solve for x
    x = 172,305,864.58/12,109.92
  6. Step 6: Final answer
    x = 14,228.49

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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.