Home / 8,567.90-12,846.30-3,636.20

Finding the Fourth Proportional to 8,567.90, 12,846.30 and 3,636.20

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Solution

The fourth proportional to 8,567.90, 12,846.30 and 3,636.20 is: 5,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.90 : 12,846.30 = 3,636.20 : x
  2. Step 2: Convert to fraction form
    8,567.90/12,846.30 = 3,636.20/x
  3. Step 3: Cross multiply
    8,567.90x = 12,846.30 × 3,636.20
  4. Step 4: Simplify right side
    8,567.90x = 46,711,716.06
  5. Step 5: Solve for x
    x = 46,711,716.06/8,567.90
  6. Step 6: Final answer
    x = 5,451.94

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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.