Home / 8,683.97-11,977.76-5,328.41

Finding the Fourth Proportional to 8,683.97, 11,977.76 and 5,328.41

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Solution

The fourth proportional to 8,683.97, 11,977.76 and 5,328.41 is: 7,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.97 : 11,977.76 = 5,328.41 : x
  2. Step 2: Convert to fraction form
    8,683.97/11,977.76 = 5,328.41/x
  3. Step 3: Cross multiply
    8,683.97x = 11,977.76 × 5,328.41
  4. Step 4: Simplify right side
    8,683.97x = 63,822,369.59
  5. Step 5: Solve for x
    x = 63,822,369.59/8,683.97
  6. Step 6: Final answer
    x = 7,349.45

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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.