Home / 7,927.40-11,880.77-4,417.27

Finding the Fourth Proportional to 7,927.40, 11,880.77 and 4,417.27

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Solution

The fourth proportional to 7,927.40, 11,880.77 and 4,417.27 is: 6,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.40 : 11,880.77 = 4,417.27 : x
  2. Step 2: Convert to fraction form
    7,927.40/11,880.77 = 4,417.27/x
  3. Step 3: Cross multiply
    7,927.40x = 11,880.77 × 4,417.27
  4. Step 4: Simplify right side
    7,927.40x = 52,480,568.90
  5. Step 5: Solve for x
    x = 52,480,568.90/7,927.40
  6. Step 6: Final answer
    x = 6,620.15

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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.