Home / 9,161.03-13,739.63-2,585.45

Finding the Fourth Proportional to 9,161.03, 13,739.63 and 2,585.45

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Solution

The fourth proportional to 9,161.03, 13,739.63 and 2,585.45 is: 3,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.03 : 13,739.63 = 2,585.45 : x
  2. Step 2: Convert to fraction form
    9,161.03/13,739.63 = 2,585.45/x
  3. Step 3: Cross multiply
    9,161.03x = 13,739.63 × 2,585.45
  4. Step 4: Simplify right side
    9,161.03x = 35,523,147.81
  5. Step 5: Solve for x
    x = 35,523,147.81/9,161.03
  6. Step 6: Final answer
    x = 3,877.64

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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.