Home / 11,451.25-15,802.73-6,483.25

Finding the Fourth Proportional to 11,451.25, 15,802.73 and 6,483.25

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Solution

The fourth proportional to 11,451.25, 15,802.73 and 6,483.25 is: 8,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.25 : 15,802.73 = 6,483.25 : x
  2. Step 2: Convert to fraction form
    11,451.25/15,802.73 = 6,483.25/x
  3. Step 3: Cross multiply
    11,451.25x = 15,802.73 × 6,483.25
  4. Step 4: Simplify right side
    11,451.25x = 102,453,049.27
  5. Step 5: Solve for x
    x = 102,453,049.27/11,451.25
  6. Step 6: Final answer
    x = 8,946.89

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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.