Home / 10,648.03-15,970.35-4,072.75

Finding the Fourth Proportional to 10,648.03, 15,970.35 and 4,072.75

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Solution

The fourth proportional to 10,648.03, 15,970.35 and 4,072.75 is: 6,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.03 : 15,970.35 = 4,072.75 : x
  2. Step 2: Convert to fraction form
    10,648.03/15,970.35 = 4,072.75/x
  3. Step 3: Cross multiply
    10,648.03x = 15,970.35 × 4,072.75
  4. Step 4: Simplify right side
    10,648.03x = 65,043,242.96
  5. Step 5: Solve for x
    x = 65,043,242.96/10,648.03
  6. Step 6: Final answer
    x = 6,108.48

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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.