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Finding the Fourth Proportional to 8,074.59, 12,130.26 and 6,967.42

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Solution

The fourth proportional to 8,074.59, 12,130.26 and 6,967.42 is: 10,466.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.59 : 12,130.26 = 6,967.42 : x
  2. Step 2: Convert to fraction form
    8,074.59/12,130.26 = 6,967.42/x
  3. Step 3: Cross multiply
    8,074.59x = 12,130.26 × 6,967.42
  4. Step 4: Simplify right side
    8,074.59x = 84,516,559.68
  5. Step 5: Solve for x
    x = 84,516,559.68/8,074.59
  6. Step 6: Final answer
    x = 10,466.98

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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.