Home / 11,490.03-17,221.01-4,902.30

Finding the Fourth Proportional to 11,490.03, 17,221.01 and 4,902.30

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Solution

The fourth proportional to 11,490.03, 17,221.01 and 4,902.30 is: 7,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.03 : 17,221.01 = 4,902.30 : x
  2. Step 2: Convert to fraction form
    11,490.03/17,221.01 = 4,902.30/x
  3. Step 3: Cross multiply
    11,490.03x = 17,221.01 × 4,902.30
  4. Step 4: Simplify right side
    11,490.03x = 84,422,532.81
  5. Step 5: Solve for x
    x = 84,422,532.81/11,490.03
  6. Step 6: Final answer
    x = 7,347.46

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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.