Home / 13,052.79-17,999.61-11,170.62

Finding the Fourth Proportional to 13,052.79, 17,999.61 and 11,170.62

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Solution

The fourth proportional to 13,052.79, 17,999.61 and 11,170.62 is: 15,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.79 : 17,999.61 = 11,170.62 : x
  2. Step 2: Convert to fraction form
    13,052.79/17,999.61 = 11,170.62/x
  3. Step 3: Cross multiply
    13,052.79x = 17,999.61 × 11,170.62
  4. Step 4: Simplify right side
    13,052.79x = 201,066,803.46
  5. Step 5: Solve for x
    x = 201,066,803.46/13,052.79
  6. Step 6: Final answer
    x = 15,404.12

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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.