Home / 8,681.36-13,022.30-3,750.08

Finding the Fourth Proportional to 8,681.36, 13,022.30 and 3,750.08

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Solution

The fourth proportional to 8,681.36, 13,022.30 and 3,750.08 is: 5,625.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.36 : 13,022.30 = 3,750.08 : x
  2. Step 2: Convert to fraction form
    8,681.36/13,022.30 = 3,750.08/x
  3. Step 3: Cross multiply
    8,681.36x = 13,022.30 × 3,750.08
  4. Step 4: Simplify right side
    8,681.36x = 48,834,611.05
  5. Step 5: Solve for x
    x = 48,834,611.05/8,681.36
  6. Step 6: Final answer
    x = 5,625.23

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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.