Home / 10,343.45-14,273.55-5,627.63

Finding the Fourth Proportional to 10,343.45, 14,273.55 and 5,627.63

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Solution

The fourth proportional to 10,343.45, 14,273.55 and 5,627.63 is: 7,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.45 : 14,273.55 = 5,627.63 : x
  2. Step 2: Convert to fraction form
    10,343.45/14,273.55 = 5,627.63/x
  3. Step 3: Cross multiply
    10,343.45x = 14,273.55 × 5,627.63
  4. Step 4: Simplify right side
    10,343.45x = 80,326,293.87
  5. Step 5: Solve for x
    x = 80,326,293.87/10,343.45
  6. Step 6: Final answer
    x = 7,765.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.