Home / 11,531.84-17,303.16-5,685.26

Finding the Fourth Proportional to 11,531.84, 17,303.16 and 5,685.26

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Solution

The fourth proportional to 11,531.84, 17,303.16 and 5,685.26 is: 8,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.84 : 17,303.16 = 5,685.26 : x
  2. Step 2: Convert to fraction form
    11,531.84/17,303.16 = 5,685.26/x
  3. Step 3: Cross multiply
    11,531.84x = 17,303.16 × 5,685.26
  4. Step 4: Simplify right side
    11,531.84x = 98,372,963.42
  5. Step 5: Solve for x
    x = 98,372,963.42/11,531.84
  6. Step 6: Final answer
    x = 8,530.55

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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.