Home / 8,905.74-13,360.43-3,061.59

Finding the Fourth Proportional to 8,905.74, 13,360.43 and 3,061.59

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Solution

The fourth proportional to 8,905.74, 13,360.43 and 3,061.59 is: 4,593.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.74 : 13,360.43 = 3,061.59 : x
  2. Step 2: Convert to fraction form
    8,905.74/13,360.43 = 3,061.59/x
  3. Step 3: Cross multiply
    8,905.74x = 13,360.43 × 3,061.59
  4. Step 4: Simplify right side
    8,905.74x = 40,904,158.88
  5. Step 5: Solve for x
    x = 40,904,158.88/8,905.74
  6. Step 6: Final answer
    x = 4,593.01

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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.