Home / 7,670.45-11,483.19-5,828.91

Finding the Fourth Proportional to 7,670.45, 11,483.19 and 5,828.91

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Solution

The fourth proportional to 7,670.45, 11,483.19 and 5,828.91 is: 8,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.45 : 11,483.19 = 5,828.91 : x
  2. Step 2: Convert to fraction form
    7,670.45/11,483.19 = 5,828.91/x
  3. Step 3: Cross multiply
    7,670.45x = 11,483.19 × 5,828.91
  4. Step 4: Simplify right side
    7,670.45x = 66,934,481.02
  5. Step 5: Solve for x
    x = 66,934,481.02/7,670.45
  6. Step 6: Final answer
    x = 8,726.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.