Home / 9,313.28-12,852.52-5,121.52

Finding the Fourth Proportional to 9,313.28, 12,852.52 and 5,121.52

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Solution

The fourth proportional to 9,313.28, 12,852.52 and 5,121.52 is: 7,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.28 : 12,852.52 = 5,121.52 : x
  2. Step 2: Convert to fraction form
    9,313.28/12,852.52 = 5,121.52/x
  3. Step 3: Cross multiply
    9,313.28x = 12,852.52 × 5,121.52
  4. Step 4: Simplify right side
    9,313.28x = 65,824,438.23
  5. Step 5: Solve for x
    x = 65,824,438.23/9,313.28
  6. Step 6: Final answer
    x = 7,067.80

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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.