Home / 9,749.18-13,453.87-5,272.94

Finding the Fourth Proportional to 9,749.18, 13,453.87 and 5,272.94

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Solution

The fourth proportional to 9,749.18, 13,453.87 and 5,272.94 is: 7,276.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,749.18 : 13,453.87 = 5,272.94 : x
  2. Step 2: Convert to fraction form
    9,749.18/13,453.87 = 5,272.94/x
  3. Step 3: Cross multiply
    9,749.18x = 13,453.87 × 5,272.94
  4. Step 4: Simplify right side
    9,749.18x = 70,941,382.01
  5. Step 5: Solve for x
    x = 70,941,382.01/9,749.18
  6. Step 6: Final answer
    x = 7,276.65

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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.