Home / 7,008.21-10,502.37-4,198.23

Finding the Fourth Proportional to 7,008.21, 10,502.37 and 4,198.23

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Solution

The fourth proportional to 7,008.21, 10,502.37 and 4,198.23 is: 6,291.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.21 : 10,502.37 = 4,198.23 : x
  2. Step 2: Convert to fraction form
    7,008.21/10,502.37 = 4,198.23/x
  3. Step 3: Cross multiply
    7,008.21x = 10,502.37 × 4,198.23
  4. Step 4: Simplify right side
    7,008.21x = 44,091,364.81
  5. Step 5: Solve for x
    x = 44,091,364.81/7,008.21
  6. Step 6: Final answer
    x = 6,291.39

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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.