Home / 7,165.68-10,720.44-6,334.56

Finding the Fourth Proportional to 7,165.68, 10,720.44 and 6,334.56

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Solution

The fourth proportional to 7,165.68, 10,720.44 and 6,334.56 is: 9,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.68 : 10,720.44 = 6,334.56 : x
  2. Step 2: Convert to fraction form
    7,165.68/10,720.44 = 6,334.56/x
  3. Step 3: Cross multiply
    7,165.68x = 10,720.44 × 6,334.56
  4. Step 4: Simplify right side
    7,165.68x = 67,909,270.41
  5. Step 5: Solve for x
    x = 67,909,270.41/7,165.68
  6. Step 6: Final answer
    x = 9,477.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.