Home / 7,504.11-10,355.96-4,147.07

Finding the Fourth Proportional to 7,504.11, 10,355.96 and 4,147.07

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Solution

The fourth proportional to 7,504.11, 10,355.96 and 4,147.07 is: 5,723.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.11 : 10,355.96 = 4,147.07 : x
  2. Step 2: Convert to fraction form
    7,504.11/10,355.96 = 4,147.07/x
  3. Step 3: Cross multiply
    7,504.11x = 10,355.96 × 4,147.07
  4. Step 4: Simplify right side
    7,504.11x = 42,946,865.15
  5. Step 5: Solve for x
    x = 42,946,865.15/7,504.11
  6. Step 6: Final answer
    x = 5,723.11

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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.