Home / 13,042.51-17,998.67-7,074.17

Finding the Fourth Proportional to 13,042.51, 17,998.67 and 7,074.17

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Solution

The fourth proportional to 13,042.51, 17,998.67 and 7,074.17 is: 9,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.51 : 17,998.67 = 7,074.17 : x
  2. Step 2: Convert to fraction form
    13,042.51/17,998.67 = 7,074.17/x
  3. Step 3: Cross multiply
    13,042.51x = 17,998.67 × 7,074.17
  4. Step 4: Simplify right side
    13,042.51x = 127,325,660.98
  5. Step 5: Solve for x
    x = 127,325,660.98/13,042.51
  6. Step 6: Final answer
    x = 9,762.36

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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.