Home / 10,561.36-15,842.16-2,770.96

Finding the Fourth Proportional to 10,561.36, 15,842.16 and 2,770.96

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Solution

The fourth proportional to 10,561.36, 15,842.16 and 2,770.96 is: 4,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.36 : 15,842.16 = 2,770.96 : x
  2. Step 2: Convert to fraction form
    10,561.36/15,842.16 = 2,770.96/x
  3. Step 3: Cross multiply
    10,561.36x = 15,842.16 × 2,770.96
  4. Step 4: Simplify right side
    10,561.36x = 43,897,991.67
  5. Step 5: Solve for x
    x = 43,897,991.67/10,561.36
  6. Step 6: Final answer
    x = 4,156.47

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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.