Home / 10,656.96-15,985.59-4,083.48

Finding the Fourth Proportional to 10,656.96, 15,985.59 and 4,083.48

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Solution

The fourth proportional to 10,656.96, 15,985.59 and 4,083.48 is: 6,125.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.96 : 15,985.59 = 4,083.48 : x
  2. Step 2: Convert to fraction form
    10,656.96/15,985.59 = 4,083.48/x
  3. Step 3: Cross multiply
    10,656.96x = 15,985.59 × 4,083.48
  4. Step 4: Simplify right side
    10,656.96x = 65,276,837.05
  5. Step 5: Solve for x
    x = 65,276,837.05/10,656.96
  6. Step 6: Final answer
    x = 6,125.28

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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.