Home / 11,022.07-15,215.43-7,048.54

Finding the Fourth Proportional to 11,022.07, 15,215.43 and 7,048.54

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Solution

The fourth proportional to 11,022.07, 15,215.43 and 7,048.54 is: 9,730.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.07 : 15,215.43 = 7,048.54 : x
  2. Step 2: Convert to fraction form
    11,022.07/15,215.43 = 7,048.54/x
  3. Step 3: Cross multiply
    11,022.07x = 15,215.43 × 7,048.54
  4. Step 4: Simplify right side
    11,022.07x = 107,246,566.97
  5. Step 5: Solve for x
    x = 107,246,566.97/11,022.07
  6. Step 6: Final answer
    x = 9,730.17

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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.