Home / 10,644.99-15,968.39-4,403.80

Finding the Fourth Proportional to 10,644.99, 15,968.39 and 4,403.80

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Solution

The fourth proportional to 10,644.99, 15,968.39 and 4,403.80 is: 6,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.99 : 15,968.39 = 4,403.80 : x
  2. Step 2: Convert to fraction form
    10,644.99/15,968.39 = 4,403.80/x
  3. Step 3: Cross multiply
    10,644.99x = 15,968.39 × 4,403.80
  4. Step 4: Simplify right side
    10,644.99x = 70,321,595.88
  5. Step 5: Solve for x
    x = 70,321,595.88/10,644.99
  6. Step 6: Final answer
    x = 6,606.07

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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.