Home / 12,582.44-17,364.48-6,917.70

Finding the Fourth Proportional to 12,582.44, 17,364.48 and 6,917.70

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Solution

The fourth proportional to 12,582.44, 17,364.48 and 6,917.70 is: 9,546.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.44 : 17,364.48 = 6,917.70 : x
  2. Step 2: Convert to fraction form
    12,582.44/17,364.48 = 6,917.70/x
  3. Step 3: Cross multiply
    12,582.44x = 17,364.48 × 6,917.70
  4. Step 4: Simplify right side
    12,582.44x = 120,122,302.47
  5. Step 5: Solve for x
    x = 120,122,302.47/12,582.44
  6. Step 6: Final answer
    x = 9,546.82

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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.