Home / 11,115.83-16,673.75-4,455.37

Finding the Fourth Proportional to 11,115.83, 16,673.75 and 4,455.37

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Solution

The fourth proportional to 11,115.83, 16,673.75 and 4,455.37 is: 6,683.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.83 : 16,673.75 = 4,455.37 : x
  2. Step 2: Convert to fraction form
    11,115.83/16,673.75 = 4,455.37/x
  3. Step 3: Cross multiply
    11,115.83x = 16,673.75 × 4,455.37
  4. Step 4: Simplify right side
    11,115.83x = 74,287,740.81
  5. Step 5: Solve for x
    x = 74,287,740.81/11,115.83
  6. Step 6: Final answer
    x = 6,683.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.