Home / 9,719.22-13,409.16-5,469.60

Finding the Fourth Proportional to 9,719.22, 13,409.16 and 5,469.60

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Solution

The fourth proportional to 9,719.22, 13,409.16 and 5,469.60 is: 7,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.22 : 13,409.16 = 5,469.60 : x
  2. Step 2: Convert to fraction form
    9,719.22/13,409.16 = 5,469.60/x
  3. Step 3: Cross multiply
    9,719.22x = 13,409.16 × 5,469.60
  4. Step 4: Simplify right side
    9,719.22x = 73,342,741.54
  5. Step 5: Solve for x
    x = 73,342,741.54/9,719.22
  6. Step 6: Final answer
    x = 7,546.16

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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.