Home / 10,021.52-15,015.84-6,683.60

Finding the Fourth Proportional to 10,021.52, 15,015.84 and 6,683.60

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Solution

The fourth proportional to 10,021.52, 15,015.84 and 6,683.60 is: 10,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.52 : 15,015.84 = 6,683.60 : x
  2. Step 2: Convert to fraction form
    10,021.52/15,015.84 = 6,683.60/x
  3. Step 3: Cross multiply
    10,021.52x = 15,015.84 × 6,683.60
  4. Step 4: Simplify right side
    10,021.52x = 100,359,868.22
  5. Step 5: Solve for x
    x = 100,359,868.22/10,021.52
  6. Step 6: Final answer
    x = 10,014.44

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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.