Home / 11,048.80-15,240.66-7,068.52

Finding the Fourth Proportional to 11,048.80, 15,240.66 and 7,068.52

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Solution

The fourth proportional to 11,048.80, 15,240.66 and 7,068.52 is: 9,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,048.80 : 15,240.66 = 7,068.52 : x
  2. Step 2: Convert to fraction form
    11,048.80/15,240.66 = 7,068.52/x
  3. Step 3: Cross multiply
    11,048.80x = 15,240.66 × 7,068.52
  4. Step 4: Simplify right side
    11,048.80x = 107,728,910.02
  5. Step 5: Solve for x
    x = 107,728,910.02/11,048.80
  6. Step 6: Final answer
    x = 9,750.28

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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.