Home / 7,448.90-11,173.34-1,902.24

Finding the Fourth Proportional to 7,448.90, 11,173.34 and 1,902.24

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Solution

The fourth proportional to 7,448.90, 11,173.34 and 1,902.24 is: 2,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.90 : 11,173.34 = 1,902.24 : x
  2. Step 2: Convert to fraction form
    7,448.90/11,173.34 = 1,902.24/x
  3. Step 3: Cross multiply
    7,448.90x = 11,173.34 × 1,902.24
  4. Step 4: Simplify right side
    7,448.90x = 21,254,420.94
  5. Step 5: Solve for x
    x = 21,254,420.94/7,448.90
  6. Step 6: Final answer
    x = 2,853.36

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Double scale
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Similar ratio
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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.