Home / 11,316.03-16,973.46-3,920.64

Finding the Fourth Proportional to 11,316.03, 16,973.46 and 3,920.64

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Solution

The fourth proportional to 11,316.03, 16,973.46 and 3,920.64 is: 5,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.03 : 16,973.46 = 3,920.64 : x
  2. Step 2: Convert to fraction form
    11,316.03/16,973.46 = 3,920.64/x
  3. Step 3: Cross multiply
    11,316.03x = 16,973.46 × 3,920.64
  4. Step 4: Simplify right side
    11,316.03x = 66,546,826.21
  5. Step 5: Solve for x
    x = 66,546,826.21/11,316.03
  6. Step 6: Final answer
    x = 5,880.76

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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.