Home / 9,720.56-14,583.36-2,795.12

Finding the Fourth Proportional to 9,720.56, 14,583.36 and 2,795.12

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Solution

The fourth proportional to 9,720.56, 14,583.36 and 2,795.12 is: 4,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.56 : 14,583.36 = 2,795.12 : x
  2. Step 2: Convert to fraction form
    9,720.56/14,583.36 = 2,795.12/x
  3. Step 3: Cross multiply
    9,720.56x = 14,583.36 × 2,795.12
  4. Step 4: Simplify right side
    9,720.56x = 40,762,241.20
  5. Step 5: Solve for x
    x = 40,762,241.20/9,720.56
  6. Step 6: Final answer
    x = 4,193.40

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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.