Home / 10,893.87-16,348.56-4,971.55

Finding the Fourth Proportional to 10,893.87, 16,348.56 and 4,971.55

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Solution

The fourth proportional to 10,893.87, 16,348.56 and 4,971.55 is: 7,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.87 : 16,348.56 = 4,971.55 : x
  2. Step 2: Convert to fraction form
    10,893.87/16,348.56 = 4,971.55/x
  3. Step 3: Cross multiply
    10,893.87x = 16,348.56 × 4,971.55
  4. Step 4: Simplify right side
    10,893.87x = 81,277,683.47
  5. Step 5: Solve for x
    x = 81,277,683.47/10,893.87
  6. Step 6: Final answer
    x = 7,460.86

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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.