Home / 10,152.63-15,226.89-2,757.63

Finding the Fourth Proportional to 10,152.63, 15,226.89 and 2,757.63

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Solution

The fourth proportional to 10,152.63, 15,226.89 and 2,757.63 is: 4,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.63 : 15,226.89 = 2,757.63 : x
  2. Step 2: Convert to fraction form
    10,152.63/15,226.89 = 2,757.63/x
  3. Step 3: Cross multiply
    10,152.63x = 15,226.89 × 2,757.63
  4. Step 4: Simplify right side
    10,152.63x = 41,990,128.67
  5. Step 5: Solve for x
    x = 41,990,128.67/10,152.63
  6. Step 6: Final answer
    x = 4,135.89

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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.