Home / 13,012.01-17,956.62-7,043.75

Finding the Fourth Proportional to 13,012.01, 17,956.62 and 7,043.75

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Solution

The fourth proportional to 13,012.01, 17,956.62 and 7,043.75 is: 9,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.01 : 17,956.62 = 7,043.75 : x
  2. Step 2: Convert to fraction form
    13,012.01/17,956.62 = 7,043.75/x
  3. Step 3: Cross multiply
    13,012.01x = 17,956.62 × 7,043.75
  4. Step 4: Simplify right side
    13,012.01x = 126,481,942.13
  5. Step 5: Solve for x
    x = 126,481,942.13/13,012.01
  6. Step 6: Final answer
    x = 9,720.40

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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.