Home / 8,124.48-11,212.29-4,940.01

Finding the Fourth Proportional to 8,124.48, 11,212.29 and 4,940.01

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Solution

The fourth proportional to 8,124.48, 11,212.29 and 4,940.01 is: 6,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.48 : 11,212.29 = 4,940.01 : x
  2. Step 2: Convert to fraction form
    8,124.48/11,212.29 = 4,940.01/x
  3. Step 3: Cross multiply
    8,124.48x = 11,212.29 × 4,940.01
  4. Step 4: Simplify right side
    8,124.48x = 55,388,824.72
  5. Step 5: Solve for x
    x = 55,388,824.72/8,124.48
  6. Step 6: Final answer
    x = 6,817.52

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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.