Home / 8,567.78-12,841.38-4,409.75

Finding the Fourth Proportional to 8,567.78, 12,841.38 and 4,409.75

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Solution

The fourth proportional to 8,567.78, 12,841.38 and 4,409.75 is: 6,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.78 : 12,841.38 = 4,409.75 : x
  2. Step 2: Convert to fraction form
    8,567.78/12,841.38 = 4,409.75/x
  3. Step 3: Cross multiply
    8,567.78x = 12,841.38 × 4,409.75
  4. Step 4: Simplify right side
    8,567.78x = 56,627,275.46
  5. Step 5: Solve for x
    x = 56,627,275.46/8,567.78
  6. Step 6: Final answer
    x = 6,609.33

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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.