Home / 7,612.26-10,505.31-4,627.60

Finding the Fourth Proportional to 7,612.26, 10,505.31 and 4,627.60

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Solution

The fourth proportional to 7,612.26, 10,505.31 and 4,627.60 is: 6,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.26 : 10,505.31 = 4,627.60 : x
  2. Step 2: Convert to fraction form
    7,612.26/10,505.31 = 4,627.60/x
  3. Step 3: Cross multiply
    7,612.26x = 10,505.31 × 4,627.60
  4. Step 4: Simplify right side
    7,612.26x = 48,614,372.56
  5. Step 5: Solve for x
    x = 48,614,372.56/7,612.26
  6. Step 6: Final answer
    x = 6,386.33

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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.