Home / 8,206.50-12,301.55-7,588.68

Finding the Fourth Proportional to 8,206.50, 12,301.55 and 7,588.68

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Solution

The fourth proportional to 8,206.50, 12,301.55 and 7,588.68 is: 11,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.50 : 12,301.55 = 7,588.68 : x
  2. Step 2: Convert to fraction form
    8,206.50/12,301.55 = 7,588.68/x
  3. Step 3: Cross multiply
    8,206.50x = 12,301.55 × 7,588.68
  4. Step 4: Simplify right side
    8,206.50x = 93,352,526.45
  5. Step 5: Solve for x
    x = 93,352,526.45/8,206.50
  6. Step 6: Final answer
    x = 11,375.44

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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.