Home / 10,756.56-16,135.55-2,858.96

Finding the Fourth Proportional to 10,756.56, 16,135.55 and 2,858.96

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Solution

The fourth proportional to 10,756.56, 16,135.55 and 2,858.96 is: 4,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.56 : 16,135.55 = 2,858.96 : x
  2. Step 2: Convert to fraction form
    10,756.56/16,135.55 = 2,858.96/x
  3. Step 3: Cross multiply
    10,756.56x = 16,135.55 × 2,858.96
  4. Step 4: Simplify right side
    10,756.56x = 46,130,928.79
  5. Step 5: Solve for x
    x = 46,130,928.79/10,756.56
  6. Step 6: Final answer
    x = 4,288.63

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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.