Home / 7,645.28-10,552.56-6,262.88

Finding the Fourth Proportional to 7,645.28, 10,552.56 and 6,262.88

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Solution

The fourth proportional to 7,645.28, 10,552.56 and 6,262.88 is: 8,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.28 : 10,552.56 = 6,262.88 : x
  2. Step 2: Convert to fraction form
    7,645.28/10,552.56 = 6,262.88/x
  3. Step 3: Cross multiply
    7,645.28x = 10,552.56 × 6,262.88
  4. Step 4: Simplify right side
    7,645.28x = 66,089,416.97
  5. Step 5: Solve for x
    x = 66,089,416.97/7,645.28
  6. Step 6: Final answer
    x = 8,644.47

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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.