Home / 9,784.08-14,679.48-2,859.60

Finding the Fourth Proportional to 9,784.08, 14,679.48 and 2,859.60

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Solution

The fourth proportional to 9,784.08, 14,679.48 and 2,859.60 is: 4,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,784.08 : 14,679.48 = 2,859.60 : x
  2. Step 2: Convert to fraction form
    9,784.08/14,679.48 = 2,859.60/x
  3. Step 3: Cross multiply
    9,784.08x = 14,679.48 × 2,859.60
  4. Step 4: Simplify right side
    9,784.08x = 41,977,441.01
  5. Step 5: Solve for x
    x = 41,977,441.01/9,784.08
  6. Step 6: Final answer
    x = 4,290.38

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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.