Home / 9,070.60-13,589.10-5,163.40

Finding the Fourth Proportional to 9,070.60, 13,589.10 and 5,163.40

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Solution

The fourth proportional to 9,070.60, 13,589.10 and 5,163.40 is: 7,735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.60 : 13,589.10 = 5,163.40 : x
  2. Step 2: Convert to fraction form
    9,070.60/13,589.10 = 5,163.40/x
  3. Step 3: Cross multiply
    9,070.60x = 13,589.10 × 5,163.40
  4. Step 4: Simplify right side
    9,070.60x = 70,165,958.94
  5. Step 5: Solve for x
    x = 70,165,958.94/9,070.60
  6. Step 6: Final answer
    x = 7,735.54

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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.