Home / 11,240.03-16,870.43-10,561.89

Finding the Fourth Proportional to 11,240.03, 16,870.43 and 10,561.89

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Solution

The fourth proportional to 11,240.03, 16,870.43 and 10,561.89 is: 15,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.03 : 16,870.43 = 10,561.89 : x
  2. Step 2: Convert to fraction form
    11,240.03/16,870.43 = 10,561.89/x
  3. Step 3: Cross multiply
    11,240.03x = 16,870.43 × 10,561.89
  4. Step 4: Simplify right side
    11,240.03x = 178,183,573.10
  5. Step 5: Solve for x
    x = 178,183,573.10/11,240.03
  6. Step 6: Final answer
    x = 15,852.60

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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.