Home / 11,464.31-15,821.56-6,361.49

Finding the Fourth Proportional to 11,464.31, 15,821.56 and 6,361.49

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Solution

The fourth proportional to 11,464.31, 15,821.56 and 6,361.49 is: 8,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464.31 : 15,821.56 = 6,361.49 : x
  2. Step 2: Convert to fraction form
    11,464.31/15,821.56 = 6,361.49/x
  3. Step 3: Cross multiply
    11,464.31x = 15,821.56 × 6,361.49
  4. Step 4: Simplify right side
    11,464.31x = 100,648,703.47
  5. Step 5: Solve for x
    x = 100,648,703.47/11,464.31
  6. Step 6: Final answer
    x = 8,779.31

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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.