Home / 9,821.79-14,731.61-2,895.75

Finding the Fourth Proportional to 9,821.79, 14,731.61 and 2,895.75

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Solution

The fourth proportional to 9,821.79, 14,731.61 and 2,895.75 is: 4,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.79 : 14,731.61 = 2,895.75 : x
  2. Step 2: Convert to fraction form
    9,821.79/14,731.61 = 2,895.75/x
  3. Step 3: Cross multiply
    9,821.79x = 14,731.61 × 2,895.75
  4. Step 4: Simplify right side
    9,821.79x = 42,659,045.18
  5. Step 5: Solve for x
    x = 42,659,045.18/9,821.79
  6. Step 6: Final answer
    x = 4,343.31

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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.