Home / 10,756.99-16,135.44-2,860.30

Finding the Fourth Proportional to 10,756.99, 16,135.44 and 2,860.30

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Solution

The fourth proportional to 10,756.99, 16,135.44 and 2,860.30 is: 4,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.99 : 16,135.44 = 2,860.30 : x
  2. Step 2: Convert to fraction form
    10,756.99/16,135.44 = 2,860.30/x
  3. Step 3: Cross multiply
    10,756.99x = 16,135.44 × 2,860.30
  4. Step 4: Simplify right side
    10,756.99x = 46,152,199.03
  5. Step 5: Solve for x
    x = 46,152,199.03/10,756.99
  6. Step 6: Final answer
    x = 4,290.44

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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.