Home / 10,447.75-15,670.88-4,902.31

Finding the Fourth Proportional to 10,447.75, 15,670.88 and 4,902.31

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Solution

The fourth proportional to 10,447.75, 15,670.88 and 4,902.31 is: 7,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.75 : 15,670.88 = 4,902.31 : x
  2. Step 2: Convert to fraction form
    10,447.75/15,670.88 = 4,902.31/x
  3. Step 3: Cross multiply
    10,447.75x = 15,670.88 × 4,902.31
  4. Step 4: Simplify right side
    10,447.75x = 76,823,433.38
  5. Step 5: Solve for x
    x = 76,823,433.38/10,447.75
  6. Step 6: Final answer
    x = 7,353.11

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1.5x scale

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.