Home / 8,578.89-11,838.75-4,802.01

Finding the Fourth Proportional to 8,578.89, 11,838.75 and 4,802.01

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Solution

The fourth proportional to 8,578.89, 11,838.75 and 4,802.01 is: 6,626.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.89 : 11,838.75 = 4,802.01 : x
  2. Step 2: Convert to fraction form
    8,578.89/11,838.75 = 4,802.01/x
  3. Step 3: Cross multiply
    8,578.89x = 11,838.75 × 4,802.01
  4. Step 4: Simplify right side
    8,578.89x = 56,849,795.89
  5. Step 5: Solve for x
    x = 56,849,795.89/8,578.89
  6. Step 6: Final answer
    x = 6,626.71

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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.