Home / 9,717.04-13,409.76-5,629.60

Finding the Fourth Proportional to 9,717.04, 13,409.76 and 5,629.60

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Solution

The fourth proportional to 9,717.04, 13,409.76 and 5,629.60 is: 7,768.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.04 : 13,409.76 = 5,629.60 : x
  2. Step 2: Convert to fraction form
    9,717.04/13,409.76 = 5,629.60/x
  3. Step 3: Cross multiply
    9,717.04x = 13,409.76 × 5,629.60
  4. Step 4: Simplify right side
    9,717.04x = 75,491,584.90
  5. Step 5: Solve for x
    x = 75,491,584.90/9,717.04
  6. Step 6: Final answer
    x = 7,768.99

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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.