Home / 11,055.65-16,583.49-9,103.74

Finding the Fourth Proportional to 11,055.65, 16,583.49 and 9,103.74

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Solution

The fourth proportional to 11,055.65, 16,583.49 and 9,103.74 is: 13,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.65 : 16,583.49 = 9,103.74 : x
  2. Step 2: Convert to fraction form
    11,055.65/16,583.49 = 9,103.74/x
  3. Step 3: Cross multiply
    11,055.65x = 16,583.49 × 9,103.74
  4. Step 4: Simplify right side
    11,055.65x = 150,971,781.25
  5. Step 5: Solve for x
    x = 150,971,781.25/11,055.65
  6. Step 6: Final answer
    x = 13,655.63

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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.