Home / 6,921.60-10,376.73-2,175.33

Finding the Fourth Proportional to 6,921.60, 10,376.73 and 2,175.33

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Solution

The fourth proportional to 6,921.60, 10,376.73 and 2,175.33 is: 3,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.60 : 10,376.73 = 2,175.33 : x
  2. Step 2: Convert to fraction form
    6,921.60/10,376.73 = 2,175.33/x
  3. Step 3: Cross multiply
    6,921.60x = 10,376.73 × 2,175.33
  4. Step 4: Simplify right side
    6,921.60x = 22,572,812.07
  5. Step 5: Solve for x
    x = 22,572,812.07/6,921.60
  6. Step 6: Final answer
    x = 3,261.21

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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.