Home / 7,388.96-10,195.37-4,405.07

Finding the Fourth Proportional to 7,388.96, 10,195.37 and 4,405.07

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Solution

The fourth proportional to 7,388.96, 10,195.37 and 4,405.07 is: 6,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.96 : 10,195.37 = 4,405.07 : x
  2. Step 2: Convert to fraction form
    7,388.96/10,195.37 = 4,405.07/x
  3. Step 3: Cross multiply
    7,388.96x = 10,195.37 × 4,405.07
  4. Step 4: Simplify right side
    7,388.96x = 44,911,245.52
  5. Step 5: Solve for x
    x = 44,911,245.52/7,388.96
  6. Step 6: Final answer
    x = 6,078.16

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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.