Home / 10,930.60-16,395.90-5,735.80

Finding the Fourth Proportional to 10,930.60, 16,395.90 and 5,735.80

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Solution

The fourth proportional to 10,930.60, 16,395.90 and 5,735.80 is: 8,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.60 : 16,395.90 = 5,735.80 : x
  2. Step 2: Convert to fraction form
    10,930.60/16,395.90 = 5,735.80/x
  3. Step 3: Cross multiply
    10,930.60x = 16,395.90 × 5,735.80
  4. Step 4: Simplify right side
    10,930.60x = 94,043,603.22
  5. Step 5: Solve for x
    x = 94,043,603.22/10,930.60
  6. Step 6: Final answer
    x = 8,603.70

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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.