Home / 10,361.98-15,543.04-2,570.86

Finding the Fourth Proportional to 10,361.98, 15,543.04 and 2,570.86

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Solution

The fourth proportional to 10,361.98, 15,543.04 and 2,570.86 is: 3,856.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.98 : 15,543.04 = 2,570.86 : x
  2. Step 2: Convert to fraction form
    10,361.98/15,543.04 = 2,570.86/x
  3. Step 3: Cross multiply
    10,361.98x = 15,543.04 × 2,570.86
  4. Step 4: Simplify right side
    10,361.98x = 39,958,979.81
  5. Step 5: Solve for x
    x = 39,958,979.81/10,361.98
  6. Step 6: Final answer
    x = 3,856.31

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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.