Home / 10,531.84-15,801.60-3,607.04

Finding the Fourth Proportional to 10,531.84, 15,801.60 and 3,607.04

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Solution

The fourth proportional to 10,531.84, 15,801.60 and 3,607.04 is: 5,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.84 : 15,801.60 = 3,607.04 : x
  2. Step 2: Convert to fraction form
    10,531.84/15,801.60 = 3,607.04/x
  3. Step 3: Cross multiply
    10,531.84x = 15,801.60 × 3,607.04
  4. Step 4: Simplify right side
    10,531.84x = 56,997,003.26
  5. Step 5: Solve for x
    x = 56,997,003.26/10,531.84
  6. Step 6: Final answer
    x = 5,411.88

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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.