Home / 11,039.90-16,567.14-5,198.18

Finding the Fourth Proportional to 11,039.90, 16,567.14 and 5,198.18

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Solution

The fourth proportional to 11,039.90, 16,567.14 and 5,198.18 is: 7,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.90 : 16,567.14 = 5,198.18 : x
  2. Step 2: Convert to fraction form
    11,039.90/16,567.14 = 5,198.18/x
  3. Step 3: Cross multiply
    11,039.90x = 16,567.14 × 5,198.18
  4. Step 4: Simplify right side
    11,039.90x = 86,118,975.81
  5. Step 5: Solve for x
    x = 86,118,975.81/11,039.90
  6. Step 6: Final answer
    x = 7,800.70

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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.