Home / 11,417.70-17,127.60-4,490.58

Finding the Fourth Proportional to 11,417.70, 17,127.60 and 4,490.58

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Solution

The fourth proportional to 11,417.70, 17,127.60 and 4,490.58 is: 6,736.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.70 : 17,127.60 = 4,490.58 : x
  2. Step 2: Convert to fraction form
    11,417.70/17,127.60 = 4,490.58/x
  3. Step 3: Cross multiply
    11,417.70x = 17,127.60 × 4,490.58
  4. Step 4: Simplify right side
    11,417.70x = 76,912,858.01
  5. Step 5: Solve for x
    x = 76,912,858.01/11,417.70
  6. Step 6: Final answer
    x = 6,736.28

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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.