Home / 9,195.22-12,688.98-5,216.26

Finding the Fourth Proportional to 9,195.22, 12,688.98 and 5,216.26

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Solution

The fourth proportional to 9,195.22, 12,688.98 and 5,216.26 is: 7,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.22 : 12,688.98 = 5,216.26 : x
  2. Step 2: Convert to fraction form
    9,195.22/12,688.98 = 5,216.26/x
  3. Step 3: Cross multiply
    9,195.22x = 12,688.98 × 5,216.26
  4. Step 4: Simplify right side
    9,195.22x = 66,189,018.81
  5. Step 5: Solve for x
    x = 66,189,018.81/9,195.22
  6. Step 6: Final answer
    x = 7,198.20

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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.