Home / 11,461.40-17,182.10-4,446.20

Finding the Fourth Proportional to 11,461.40, 17,182.10 and 4,446.20

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Solution

The fourth proportional to 11,461.40, 17,182.10 and 4,446.20 is: 6,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,461.40 : 17,182.10 = 4,446.20 : x
  2. Step 2: Convert to fraction form
    11,461.40/17,182.10 = 4,446.20/x
  3. Step 3: Cross multiply
    11,461.40x = 17,182.10 × 4,446.20
  4. Step 4: Simplify right side
    11,461.40x = 76,395,053.02
  5. Step 5: Solve for x
    x = 76,395,053.02/11,461.40
  6. Step 6: Final answer
    x = 6,665.42

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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.