Home / 9,979.98-14,975.16-4,437.28

Finding the Fourth Proportional to 9,979.98, 14,975.16 and 4,437.28

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Solution

The fourth proportional to 9,979.98, 14,975.16 and 4,437.28 is: 6,658.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.98 : 14,975.16 = 4,437.28 : x
  2. Step 2: Convert to fraction form
    9,979.98/14,975.16 = 4,437.28/x
  3. Step 3: Cross multiply
    9,979.98x = 14,975.16 × 4,437.28
  4. Step 4: Simplify right side
    9,979.98x = 66,448,977.96
  5. Step 5: Solve for x
    x = 66,448,977.96/9,979.98
  6. Step 6: Final answer
    x = 6,658.23

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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.