Home / 7,245.35-9,999.83-4,261.31

Finding the Fourth Proportional to 7,245.35, 9,999.83 and 4,261.31

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Solution

The fourth proportional to 7,245.35, 9,999.83 and 4,261.31 is: 5,881.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.35 : 9,999.83 = 4,261.31 : x
  2. Step 2: Convert to fraction form
    7,245.35/9,999.83 = 4,261.31/x
  3. Step 3: Cross multiply
    7,245.35x = 9,999.83 × 4,261.31
  4. Step 4: Simplify right side
    7,245.35x = 42,612,361.75
  5. Step 5: Solve for x
    x = 42,612,361.75/7,245.35
  6. Step 6: Final answer
    x = 5,881.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.