Home / 11,282.68-15,569.48-6,745.45

Finding the Fourth Proportional to 11,282.68, 15,569.48 and 6,745.45

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Solution

The fourth proportional to 11,282.68, 15,569.48 and 6,745.45 is: 9,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.68 : 15,569.48 = 6,745.45 : x
  2. Step 2: Convert to fraction form
    11,282.68/15,569.48 = 6,745.45/x
  3. Step 3: Cross multiply
    11,282.68x = 15,569.48 × 6,745.45
  4. Step 4: Simplify right side
    11,282.68x = 105,023,076.22
  5. Step 5: Solve for x
    x = 105,023,076.22/11,282.68
  6. Step 6: Final answer
    x = 9,308.35

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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.