Home / 8,578.86-11,839.40-4,802.36

Finding the Fourth Proportional to 8,578.86, 11,839.40 and 4,802.36

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Solution

The fourth proportional to 8,578.86, 11,839.40 and 4,802.36 is: 6,627.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.86 : 11,839.40 = 4,802.36 : x
  2. Step 2: Convert to fraction form
    8,578.86/11,839.40 = 4,802.36/x
  3. Step 3: Cross multiply
    8,578.86x = 11,839.40 × 4,802.36
  4. Step 4: Simplify right side
    8,578.86x = 56,857,060.98
  5. Step 5: Solve for x
    x = 56,857,060.98/8,578.86
  6. Step 6: Final answer
    x = 6,627.58

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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.