Home / 12,249.60-16,903.04-6,943.36

Finding the Fourth Proportional to 12,249.60, 16,903.04 and 6,943.36

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Solution

The fourth proportional to 12,249.60, 16,903.04 and 6,943.36 is: 9,581.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.60 : 16,903.04 = 6,943.36 : x
  2. Step 2: Convert to fraction form
    12,249.60/16,903.04 = 6,943.36/x
  3. Step 3: Cross multiply
    12,249.60x = 16,903.04 × 6,943.36
  4. Step 4: Simplify right side
    12,249.60x = 117,363,891.81
  5. Step 5: Solve for x
    x = 117,363,891.81/12,249.60
  6. Step 6: Final answer
    x = 9,581.04

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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.