Home / 7,517.60-10,367.43-6,455.03

Finding the Fourth Proportional to 7,517.60, 10,367.43 and 6,455.03

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Solution

The fourth proportional to 7,517.60, 10,367.43 and 6,455.03 is: 8,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.60 : 10,367.43 = 6,455.03 : x
  2. Step 2: Convert to fraction form
    7,517.60/10,367.43 = 6,455.03/x
  3. Step 3: Cross multiply
    7,517.60x = 10,367.43 × 6,455.03
  4. Step 4: Simplify right side
    7,517.60x = 66,922,039.40
  5. Step 5: Solve for x
    x = 66,922,039.40/7,517.60
  6. Step 6: Final answer
    x = 8,902.05

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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.