Home / 8,681.55-13,022.89-3,416.14

Finding the Fourth Proportional to 8,681.55, 13,022.89 and 3,416.14

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Solution

The fourth proportional to 8,681.55, 13,022.89 and 3,416.14 is: 5,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.55 : 13,022.89 = 3,416.14 : x
  2. Step 2: Convert to fraction form
    8,681.55/13,022.89 = 3,416.14/x
  3. Step 3: Cross multiply
    8,681.55x = 13,022.89 × 3,416.14
  4. Step 4: Simplify right side
    8,681.55x = 44,488,042.40
  5. Step 5: Solve for x
    x = 44,488,042.40/8,681.55
  6. Step 6: Final answer
    x = 5,124.44

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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.