Home / 10,316.64-15,469.44-4,076.40

Finding the Fourth Proportional to 10,316.64, 15,469.44 and 4,076.40

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Solution

The fourth proportional to 10,316.64, 15,469.44 and 4,076.40 is: 6,112.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.64 : 15,469.44 = 4,076.40 : x
  2. Step 2: Convert to fraction form
    10,316.64/15,469.44 = 4,076.40/x
  3. Step 3: Cross multiply
    10,316.64x = 15,469.44 × 4,076.40
  4. Step 4: Simplify right side
    10,316.64x = 63,059,625.22
  5. Step 5: Solve for x
    x = 63,059,625.22/10,316.64
  6. Step 6: Final answer
    x = 6,112.42

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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.