Home / 11,858.16-16,377.46-9,201.50

Finding the Fourth Proportional to 11,858.16, 16,377.46 and 9,201.50

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Solution

The fourth proportional to 11,858.16, 16,377.46 and 9,201.50 is: 12,708.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.16 : 16,377.46 = 9,201.50 : x
  2. Step 2: Convert to fraction form
    11,858.16/16,377.46 = 9,201.50/x
  3. Step 3: Cross multiply
    11,858.16x = 16,377.46 × 9,201.50
  4. Step 4: Simplify right side
    11,858.16x = 150,697,198.19
  5. Step 5: Solve for x
    x = 150,697,198.19/11,858.16
  6. Step 6: Final answer
    x = 12,708.31

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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.