Home / 8,526.83-12,790.85-2,979.54

Finding the Fourth Proportional to 8,526.83, 12,790.85 and 2,979.54

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Solution

The fourth proportional to 8,526.83, 12,790.85 and 2,979.54 is: 4,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.83 : 12,790.85 = 2,979.54 : x
  2. Step 2: Convert to fraction form
    8,526.83/12,790.85 = 2,979.54/x
  3. Step 3: Cross multiply
    8,526.83x = 12,790.85 × 2,979.54
  4. Step 4: Simplify right side
    8,526.83x = 38,110,834.31
  5. Step 5: Solve for x
    x = 38,110,834.31/8,526.83
  6. Step 6: Final answer
    x = 4,469.52

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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.