Home / 7,216.48-9,960-4,563.04

Finding the Fourth Proportional to 7,216.48, 9,960 and 4,563.04

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Solution

The fourth proportional to 7,216.48, 9,960 and 4,563.04 is: 6,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.48 : 9,960 = 4,563.04 : x
  2. Step 2: Convert to fraction form
    7,216.48/9,960 = 4,563.04/x
  3. Step 3: Cross multiply
    7,216.48x = 9,960 × 4,563.04
  4. Step 4: Simplify right side
    7,216.48x = 45,447,878.40
  5. Step 5: Solve for x
    x = 45,447,878.40/7,216.48
  6. Step 6: Final answer
    x = 6,297.79

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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.