Home / 9,291.42-13,933.64-3,742.88

Finding the Fourth Proportional to 9,291.42, 13,933.64 and 3,742.88

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Solution

The fourth proportional to 9,291.42, 13,933.64 and 3,742.88 is: 5,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.42 : 13,933.64 = 3,742.88 : x
  2. Step 2: Convert to fraction form
    9,291.42/13,933.64 = 3,742.88/x
  3. Step 3: Cross multiply
    9,291.42x = 13,933.64 × 3,742.88
  4. Step 4: Simplify right side
    9,291.42x = 52,151,942.48
  5. Step 5: Solve for x
    x = 52,151,942.48/9,291.42
  6. Step 6: Final answer
    x = 5,612.91

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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.