Home / 10,361.36-15,541.96-2,570.16

Finding the Fourth Proportional to 10,361.36, 15,541.96 and 2,570.16

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Solution

The fourth proportional to 10,361.36, 15,541.96 and 2,570.16 is: 3,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.36 : 15,541.96 = 2,570.16 : x
  2. Step 2: Convert to fraction form
    10,361.36/15,541.96 = 2,570.16/x
  3. Step 3: Cross multiply
    10,361.36x = 15,541.96 × 2,570.16
  4. Step 4: Simplify right side
    10,361.36x = 39,945,323.91
  5. Step 5: Solve for x
    x = 39,945,323.91/10,361.36
  6. Step 6: Final answer
    x = 3,855.22

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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.