Home / 9,978.98-14,973.66-4,436.28

Finding the Fourth Proportional to 9,978.98, 14,973.66 and 4,436.28

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Solution

The fourth proportional to 9,978.98, 14,973.66 and 4,436.28 is: 6,656.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,978.98 : 14,973.66 = 4,436.28 : x
  2. Step 2: Convert to fraction form
    9,978.98/14,973.66 = 4,436.28/x
  3. Step 3: Cross multiply
    9,978.98x = 14,973.66 × 4,436.28
  4. Step 4: Simplify right side
    9,978.98x = 66,427,348.38
  5. Step 5: Solve for x
    x = 66,427,348.38/9,978.98
  6. Step 6: Final answer
    x = 6,656.73

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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.