Home / 8,775.07-13,168.96-3,439.05

Finding the Fourth Proportional to 8,775.07, 13,168.96 and 3,439.05

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Solution

The fourth proportional to 8,775.07, 13,168.96 and 3,439.05 is: 5,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.07 : 13,168.96 = 3,439.05 : x
  2. Step 2: Convert to fraction form
    8,775.07/13,168.96 = 3,439.05/x
  3. Step 3: Cross multiply
    8,775.07x = 13,168.96 × 3,439.05
  4. Step 4: Simplify right side
    8,775.07x = 45,288,711.89
  5. Step 5: Solve for x
    x = 45,288,711.89/8,775.07
  6. Step 6: Final answer
    x = 5,161.07

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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.