Home / 11,561.23-17,341.30-8,040.84

Finding the Fourth Proportional to 11,561.23, 17,341.30 and 8,040.84

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Solution

The fourth proportional to 11,561.23, 17,341.30 and 8,040.84 is: 12,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.23 : 17,341.30 = 8,040.84 : x
  2. Step 2: Convert to fraction form
    11,561.23/17,341.30 = 8,040.84/x
  3. Step 3: Cross multiply
    11,561.23x = 17,341.30 × 8,040.84
  4. Step 4: Simplify right side
    11,561.23x = 139,438,618.69
  5. Step 5: Solve for x
    x = 139,438,618.69/11,561.23
  6. Step 6: Final answer
    x = 12,060.88

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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.