Home / 9,749.81-13,453.84-5,971.25

Finding the Fourth Proportional to 9,749.81, 13,453.84 and 5,971.25

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Solution

The fourth proportional to 9,749.81, 13,453.84 and 5,971.25 is: 8,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,749.81 : 13,453.84 = 5,971.25 : x
  2. Step 2: Convert to fraction form
    9,749.81/13,453.84 = 5,971.25/x
  3. Step 3: Cross multiply
    9,749.81x = 13,453.84 × 5,971.25
  4. Step 4: Simplify right side
    9,749.81x = 80,336,242.10
  5. Step 5: Solve for x
    x = 80,336,242.10/9,749.81
  6. Step 6: Final answer
    x = 8,239.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.