Home / 11,985.41-17,962.48-6,432.25

Finding the Fourth Proportional to 11,985.41, 17,962.48 and 6,432.25

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Solution

The fourth proportional to 11,985.41, 17,962.48 and 6,432.25 is: 9,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.41 : 17,962.48 = 6,432.25 : x
  2. Step 2: Convert to fraction form
    11,985.41/17,962.48 = 6,432.25/x
  3. Step 3: Cross multiply
    11,985.41x = 17,962.48 × 6,432.25
  4. Step 4: Simplify right side
    11,985.41x = 115,539,100.99
  5. Step 5: Solve for x
    x = 115,539,100.99/11,985.41
  6. Step 6: Final answer
    x = 9,639.98

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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.