Home / 10,657.17-15,985.80-3,261.60

Finding the Fourth Proportional to 10,657.17, 15,985.80 and 3,261.60

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Solution

The fourth proportional to 10,657.17, 15,985.80 and 3,261.60 is: 4,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.17 : 15,985.80 = 3,261.60 : x
  2. Step 2: Convert to fraction form
    10,657.17/15,985.80 = 3,261.60/x
  3. Step 3: Cross multiply
    10,657.17x = 15,985.80 × 3,261.60
  4. Step 4: Simplify right side
    10,657.17x = 52,139,285.28
  5. Step 5: Solve for x
    x = 52,139,285.28/10,657.17
  6. Step 6: Final answer
    x = 4,892.41

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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.