Home / 10,743.03-14,830.40-7,163.95

Finding the Fourth Proportional to 10,743.03, 14,830.40 and 7,163.95

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Solution

The fourth proportional to 10,743.03, 14,830.40 and 7,163.95 is: 9,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743.03 : 14,830.40 = 7,163.95 : x
  2. Step 2: Convert to fraction form
    10,743.03/14,830.40 = 7,163.95/x
  3. Step 3: Cross multiply
    10,743.03x = 14,830.40 × 7,163.95
  4. Step 4: Simplify right side
    10,743.03x = 106,244,244.08
  5. Step 5: Solve for x
    x = 106,244,244.08/10,743.03
  6. Step 6: Final answer
    x = 9,889.60

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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.