Home / 10,561.74-15,842.79-2,770.26

Finding the Fourth Proportional to 10,561.74, 15,842.79 and 2,770.26

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Solution

The fourth proportional to 10,561.74, 15,842.79 and 2,770.26 is: 4,155.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.74 : 15,842.79 = 2,770.26 : x
  2. Step 2: Convert to fraction form
    10,561.74/15,842.79 = 2,770.26/x
  3. Step 3: Cross multiply
    10,561.74x = 15,842.79 × 2,770.26
  4. Step 4: Simplify right side
    10,561.74x = 43,888,647.43
  5. Step 5: Solve for x
    x = 43,888,647.43/10,561.74
  6. Step 6: Final answer
    x = 4,155.44

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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.