Home / 10,945.88-16,421.22-3,551.08

Finding the Fourth Proportional to 10,945.88, 16,421.22 and 3,551.08

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Solution

The fourth proportional to 10,945.88, 16,421.22 and 3,551.08 is: 5,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.88 : 16,421.22 = 3,551.08 : x
  2. Step 2: Convert to fraction form
    10,945.88/16,421.22 = 3,551.08/x
  3. Step 3: Cross multiply
    10,945.88x = 16,421.22 × 3,551.08
  4. Step 4: Simplify right side
    10,945.88x = 58,313,065.92
  5. Step 5: Solve for x
    x = 58,313,065.92/10,945.88
  6. Step 6: Final answer
    x = 5,327.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.