Home / 9,792.32-13,513.64-5,316.05

Finding the Fourth Proportional to 9,792.32, 13,513.64 and 5,316.05

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Solution

The fourth proportional to 9,792.32, 13,513.64 and 5,316.05 is: 7,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792.32 : 13,513.64 = 5,316.05 : x
  2. Step 2: Convert to fraction form
    9,792.32/13,513.64 = 5,316.05/x
  3. Step 3: Cross multiply
    9,792.32x = 13,513.64 × 5,316.05
  4. Step 4: Simplify right side
    9,792.32x = 71,839,193.13
  5. Step 5: Solve for x
    x = 71,839,193.13/9,792.32
  6. Step 6: Final answer
    x = 7,336.28

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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.