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Finding the Fourth Proportional to 9,860.42, 14,790.63 and 5,956.58

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Solution

The fourth proportional to 9,860.42, 14,790.63 and 5,956.58 is: 8,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.42 : 14,790.63 = 5,956.58 : x
  2. Step 2: Convert to fraction form
    9,860.42/14,790.63 = 5,956.58/x
  3. Step 3: Cross multiply
    9,860.42x = 14,790.63 × 5,956.58
  4. Step 4: Simplify right side
    9,860.42x = 88,101,570.85
  5. Step 5: Solve for x
    x = 88,101,570.85/9,860.42
  6. Step 6: Final answer
    x = 8,934.87

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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.