Home / 8,526.08-12,786.24-4,140.74

Finding the Fourth Proportional to 8,526.08, 12,786.24 and 4,140.74

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Solution

The fourth proportional to 8,526.08, 12,786.24 and 4,140.74 is: 6,209.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.08 : 12,786.24 = 4,140.74 : x
  2. Step 2: Convert to fraction form
    8,526.08/12,786.24 = 4,140.74/x
  3. Step 3: Cross multiply
    8,526.08x = 12,786.24 × 4,140.74
  4. Step 4: Simplify right side
    8,526.08x = 52,944,495.42
  5. Step 5: Solve for x
    x = 52,944,495.42/8,526.08
  6. Step 6: Final answer
    x = 6,209.71

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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.