Home / 9,910.90-14,867.70-3,669.40

Finding the Fourth Proportional to 9,910.90, 14,867.70 and 3,669.40

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Solution

The fourth proportional to 9,910.90, 14,867.70 and 3,669.40 is: 5,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.90 : 14,867.70 = 3,669.40 : x
  2. Step 2: Convert to fraction form
    9,910.90/14,867.70 = 3,669.40/x
  3. Step 3: Cross multiply
    9,910.90x = 14,867.70 × 3,669.40
  4. Step 4: Simplify right side
    9,910.90x = 54,555,538.38
  5. Step 5: Solve for x
    x = 54,555,538.38/9,910.90
  6. Step 6: Final answer
    x = 5,504.60

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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.