Home / 8,683.90-11,984.25-4,907.22

Finding the Fourth Proportional to 8,683.90, 11,984.25 and 4,907.22

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Solution

The fourth proportional to 8,683.90, 11,984.25 and 4,907.22 is: 6,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.90 : 11,984.25 = 4,907.22 : x
  2. Step 2: Convert to fraction form
    8,683.90/11,984.25 = 4,907.22/x
  3. Step 3: Cross multiply
    8,683.90x = 11,984.25 × 4,907.22
  4. Step 4: Simplify right side
    8,683.90x = 58,809,351.29
  5. Step 5: Solve for x
    x = 58,809,351.29/8,683.90
  6. Step 6: Final answer
    x = 6,772.23

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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.