Home / 9,792.36-13,513.37-5,316.21

Finding the Fourth Proportional to 9,792.36, 13,513.37 and 5,316.21

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Solution

The fourth proportional to 9,792.36, 13,513.37 and 5,316.21 is: 7,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792.36 : 13,513.37 = 5,316.21 : x
  2. Step 2: Convert to fraction form
    9,792.36/13,513.37 = 5,316.21/x
  3. Step 3: Cross multiply
    9,792.36x = 13,513.37 × 5,316.21
  4. Step 4: Simplify right side
    9,792.36x = 71,839,886.15
  5. Step 5: Solve for x
    x = 71,839,886.15/9,792.36
  6. Step 6: Final answer
    x = 7,336.32

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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.