Home / 10,466.08-15,705.20-3,451.20

Finding the Fourth Proportional to 10,466.08, 15,705.20 and 3,451.20

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Solution

The fourth proportional to 10,466.08, 15,705.20 and 3,451.20 is: 5,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,466.08 : 15,705.20 = 3,451.20 : x
  2. Step 2: Convert to fraction form
    10,466.08/15,705.20 = 3,451.20/x
  3. Step 3: Cross multiply
    10,466.08x = 15,705.20 × 3,451.20
  4. Step 4: Simplify right side
    10,466.08x = 54,201,786.24
  5. Step 5: Solve for x
    x = 54,201,786.24/10,466.08
  6. Step 6: Final answer
    x = 5,178.80

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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.