Home / 11,109.84-16,668.41-4,541.55

Finding the Fourth Proportional to 11,109.84, 16,668.41 and 4,541.55

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Solution

The fourth proportional to 11,109.84, 16,668.41 and 4,541.55 is: 6,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.84 : 16,668.41 = 4,541.55 : x
  2. Step 2: Convert to fraction form
    11,109.84/16,668.41 = 4,541.55/x
  3. Step 3: Cross multiply
    11,109.84x = 16,668.41 × 4,541.55
  4. Step 4: Simplify right side
    11,109.84x = 75,700,394.73
  5. Step 5: Solve for x
    x = 75,700,394.73/11,109.84
  6. Step 6: Final answer
    x = 6,813.82

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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.