Home / 10,949.20-16,443.60-9,588.40

Finding the Fourth Proportional to 10,949.20, 16,443.60 and 9,588.40

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Solution

The fourth proportional to 10,949.20, 16,443.60 and 9,588.40 is: 14,399.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.20 : 16,443.60 = 9,588.40 : x
  2. Step 2: Convert to fraction form
    10,949.20/16,443.60 = 9,588.40/x
  3. Step 3: Cross multiply
    10,949.20x = 16,443.60 × 9,588.40
  4. Step 4: Simplify right side
    10,949.20x = 157,667,814.24
  5. Step 5: Solve for x
    x = 157,667,814.24/10,949.20
  6. Step 6: Final answer
    x = 14,399.94

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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.