Home / 8,971.67-13,453.91-3,707.49

Finding the Fourth Proportional to 8,971.67, 13,453.91 and 3,707.49

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Solution

The fourth proportional to 8,971.67, 13,453.91 and 3,707.49 is: 5,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.67 : 13,453.91 = 3,707.49 : x
  2. Step 2: Convert to fraction form
    8,971.67/13,453.91 = 3,707.49/x
  3. Step 3: Cross multiply
    8,971.67x = 13,453.91 × 3,707.49
  4. Step 4: Simplify right side
    8,971.67x = 49,880,218.25
  5. Step 5: Solve for x
    x = 49,880,218.25/8,971.67
  6. Step 6: Final answer
    x = 5,559.75

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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.