Home / 10,956.24-16,448.48-9,406.20

Finding the Fourth Proportional to 10,956.24, 16,448.48 and 9,406.20

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Solution

The fourth proportional to 10,956.24, 16,448.48 and 9,406.20 is: 14,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.24 : 16,448.48 = 9,406.20 : x
  2. Step 2: Convert to fraction form
    10,956.24/16,448.48 = 9,406.20/x
  3. Step 3: Cross multiply
    10,956.24x = 16,448.48 × 9,406.20
  4. Step 4: Simplify right side
    10,956.24x = 154,717,692.58
  5. Step 5: Solve for x
    x = 154,717,692.58/10,956.24
  6. Step 6: Final answer
    x = 14,121.42

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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.