Home / 7,097.72-9,796.60-4,115.34

Finding the Fourth Proportional to 7,097.72, 9,796.60 and 4,115.34

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Solution

The fourth proportional to 7,097.72, 9,796.60 and 4,115.34 is: 5,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,097.72 : 9,796.60 = 4,115.34 : x
  2. Step 2: Convert to fraction form
    7,097.72/9,796.60 = 4,115.34/x
  3. Step 3: Cross multiply
    7,097.72x = 9,796.60 × 4,115.34
  4. Step 4: Simplify right side
    7,097.72x = 40,316,339.84
  5. Step 5: Solve for x
    x = 40,316,339.84/7,097.72
  6. Step 6: Final answer
    x = 5,680.18

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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.