Home / 11,369.45-16,977.46-9,293.51

Finding the Fourth Proportional to 11,369.45, 16,977.46 and 9,293.51

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Solution

The fourth proportional to 11,369.45, 16,977.46 and 9,293.51 is: 13,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.45 : 16,977.46 = 9,293.51 : x
  2. Step 2: Convert to fraction form
    11,369.45/16,977.46 = 9,293.51/x
  3. Step 3: Cross multiply
    11,369.45x = 16,977.46 × 9,293.51
  4. Step 4: Simplify right side
    11,369.45x = 157,780,147.82
  5. Step 5: Solve for x
    x = 157,780,147.82/11,369.45
  6. Step 6: Final answer
    x = 13,877.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.