Home / 8,511.59-11,744.91-5,369.60

Finding the Fourth Proportional to 8,511.59, 11,744.91 and 5,369.60

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Solution

The fourth proportional to 8,511.59, 11,744.91 and 5,369.60 is: 7,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.59 : 11,744.91 = 5,369.60 : x
  2. Step 2: Convert to fraction form
    8,511.59/11,744.91 = 5,369.60/x
  3. Step 3: Cross multiply
    8,511.59x = 11,744.91 × 5,369.60
  4. Step 4: Simplify right side
    8,511.59x = 63,065,410.01
  5. Step 5: Solve for x
    x = 63,065,410.01/8,511.59
  6. Step 6: Final answer
    x = 7,409.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.