Home / 8,539.44-12,792.69-4,830.32

Finding the Fourth Proportional to 8,539.44, 12,792.69 and 4,830.32

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Solution

The fourth proportional to 8,539.44, 12,792.69 and 4,830.32 is: 7,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.44 : 12,792.69 = 4,830.32 : x
  2. Step 2: Convert to fraction form
    8,539.44/12,792.69 = 4,830.32/x
  3. Step 3: Cross multiply
    8,539.44x = 12,792.69 × 4,830.32
  4. Step 4: Simplify right side
    8,539.44x = 61,792,722.40
  5. Step 5: Solve for x
    x = 61,792,722.40/8,539.44
  6. Step 6: Final answer
    x = 7,236.16

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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.