Home / 9,749.87-13,454.78-5,273.58

Finding the Fourth Proportional to 9,749.87, 13,454.78 and 5,273.58

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Solution

The fourth proportional to 9,749.87, 13,454.78 and 5,273.58 is: 7,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,749.87 : 13,454.78 = 5,273.58 : x
  2. Step 2: Convert to fraction form
    9,749.87/13,454.78 = 5,273.58/x
  3. Step 3: Cross multiply
    9,749.87x = 13,454.78 × 5,273.58
  4. Step 4: Simplify right side
    9,749.87x = 70,954,832.34
  5. Step 5: Solve for x
    x = 70,954,832.34/9,749.87
  6. Step 6: Final answer
    x = 7,277.52

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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.