Home / 9,648.36-13,315.28-5,399.33

Finding the Fourth Proportional to 9,648.36, 13,315.28 and 5,399.33

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Solution

The fourth proportional to 9,648.36, 13,315.28 and 5,399.33 is: 7,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,648.36 : 13,315.28 = 5,399.33 : x
  2. Step 2: Convert to fraction form
    9,648.36/13,315.28 = 5,399.33/x
  3. Step 3: Cross multiply
    9,648.36x = 13,315.28 × 5,399.33
  4. Step 4: Simplify right side
    9,648.36x = 71,893,497.19
  5. Step 5: Solve for x
    x = 71,893,497.19/9,648.36
  6. Step 6: Final answer
    x = 7,451.37

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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.