Home / 10,382.55-15,570.51-3,361.08

Finding the Fourth Proportional to 10,382.55, 15,570.51 and 3,361.08

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Solution

The fourth proportional to 10,382.55, 15,570.51 and 3,361.08 is: 5,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.55 : 15,570.51 = 3,361.08 : x
  2. Step 2: Convert to fraction form
    10,382.55/15,570.51 = 3,361.08/x
  3. Step 3: Cross multiply
    10,382.55x = 15,570.51 × 3,361.08
  4. Step 4: Simplify right side
    10,382.55x = 52,333,729.75
  5. Step 5: Solve for x
    x = 52,333,729.75/10,382.55
  6. Step 6: Final answer
    x = 5,040.55

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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.