Home / 13,170.04-18,173.16-7,792.64

Finding the Fourth Proportional to 13,170.04, 18,173.16 and 7,792.64

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Solution

The fourth proportional to 13,170.04, 18,173.16 and 7,792.64 is: 10,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.04 : 18,173.16 = 7,792.64 : x
  2. Step 2: Convert to fraction form
    13,170.04/18,173.16 = 7,792.64/x
  3. Step 3: Cross multiply
    13,170.04x = 18,173.16 × 7,792.64
  4. Step 4: Simplify right side
    13,170.04x = 141,616,893.54
  5. Step 5: Solve for x
    x = 141,616,893.54/13,170.04
  6. Step 6: Final answer
    x = 10,752.96

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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.