Home / 9,880.65-14,822.80-3,127.94

Finding the Fourth Proportional to 9,880.65, 14,822.80 and 3,127.94

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Solution

The fourth proportional to 9,880.65, 14,822.80 and 3,127.94 is: 4,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.65 : 14,822.80 = 3,127.94 : x
  2. Step 2: Convert to fraction form
    9,880.65/14,822.80 = 3,127.94/x
  3. Step 3: Cross multiply
    9,880.65x = 14,822.80 × 3,127.94
  4. Step 4: Simplify right side
    9,880.65x = 46,364,802.68
  5. Step 5: Solve for x
    x = 46,364,802.68/9,880.65
  6. Step 6: Final answer
    x = 4,692.49

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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.