Home / 9,079.88-13,613.42-3,528.60

Finding the Fourth Proportional to 9,079.88, 13,613.42 and 3,528.60

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Solution

The fourth proportional to 9,079.88, 13,613.42 and 3,528.60 is: 5,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.88 : 13,613.42 = 3,528.60 : x
  2. Step 2: Convert to fraction form
    9,079.88/13,613.42 = 3,528.60/x
  3. Step 3: Cross multiply
    9,079.88x = 13,613.42 × 3,528.60
  4. Step 4: Simplify right side
    9,079.88x = 48,036,313.81
  5. Step 5: Solve for x
    x = 48,036,313.81/9,079.88
  6. Step 6: Final answer
    x = 5,290.41

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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.