Home / 10,989.75-16,486.77-3,592.23

Finding the Fourth Proportional to 10,989.75, 16,486.77 and 3,592.23

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Solution

The fourth proportional to 10,989.75, 16,486.77 and 3,592.23 is: 5,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.75 : 16,486.77 = 3,592.23 : x
  2. Step 2: Convert to fraction form
    10,989.75/16,486.77 = 3,592.23/x
  3. Step 3: Cross multiply
    10,989.75x = 16,486.77 × 3,592.23
  4. Step 4: Simplify right side
    10,989.75x = 59,224,269.80
  5. Step 5: Solve for x
    x = 59,224,269.80/10,989.75
  6. Step 6: Final answer
    x = 5,389.05

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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.