Home / 8,398.14-11,587.35-5,410.38

Finding the Fourth Proportional to 8,398.14, 11,587.35 and 5,410.38

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Solution

The fourth proportional to 8,398.14, 11,587.35 and 5,410.38 is: 7,464.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.14 : 11,587.35 = 5,410.38 : x
  2. Step 2: Convert to fraction form
    8,398.14/11,587.35 = 5,410.38/x
  3. Step 3: Cross multiply
    8,398.14x = 11,587.35 × 5,410.38
  4. Step 4: Simplify right side
    8,398.14x = 62,691,966.69
  5. Step 5: Solve for x
    x = 62,691,966.69/8,398.14
  6. Step 6: Final answer
    x = 7,464.98

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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.