Home / 36,847.79-55,271.68-9,145.79

Finding the Fourth Proportional to 36,847.79, 55,271.68 and 9,145.79

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Solution

The fourth proportional to 36,847.79, 55,271.68 and 9,145.79 is: 13,718.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,847.79 : 55,271.68 = 9,145.79 : x
  2. Step 2: Convert to fraction form
    36,847.79/55,271.68 = 9,145.79/x
  3. Step 3: Cross multiply
    36,847.79x = 55,271.68 × 9,145.79
  4. Step 4: Simplify right side
    36,847.79x = 505,503,137.72
  5. Step 5: Solve for x
    x = 505,503,137.72/36,847.79
  6. Step 6: Final answer
    x = 13,718.68

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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.