Home / 9,928.98-14,895.09-3,689.01

Finding the Fourth Proportional to 9,928.98, 14,895.09 and 3,689.01

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Solution

The fourth proportional to 9,928.98, 14,895.09 and 3,689.01 is: 5,534.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.98 : 14,895.09 = 3,689.01 : x
  2. Step 2: Convert to fraction form
    9,928.98/14,895.09 = 3,689.01/x
  3. Step 3: Cross multiply
    9,928.98x = 14,895.09 × 3,689.01
  4. Step 4: Simplify right side
    9,928.98x = 54,948,135.96
  5. Step 5: Solve for x
    x = 54,948,135.96/9,928.98
  6. Step 6: Final answer
    x = 5,534.12

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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.