Home / 7,691.36-10,608.03-5,567.20

Finding the Fourth Proportional to 7,691.36, 10,608.03 and 5,567.20

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Solution

The fourth proportional to 7,691.36, 10,608.03 and 5,567.20 is: 7,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.36 : 10,608.03 = 5,567.20 : x
  2. Step 2: Convert to fraction form
    7,691.36/10,608.03 = 5,567.20/x
  3. Step 3: Cross multiply
    7,691.36x = 10,608.03 × 5,567.20
  4. Step 4: Simplify right side
    7,691.36x = 59,056,998.10
  5. Step 5: Solve for x
    x = 59,056,998.10/7,691.36
  6. Step 6: Final answer
    x = 7,678.36

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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.