Home / 9,921.08-14,877.68-4,723.31

Finding the Fourth Proportional to 9,921.08, 14,877.68 and 4,723.31

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Solution

The fourth proportional to 9,921.08, 14,877.68 and 4,723.31 is: 7,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.08 : 14,877.68 = 4,723.31 : x
  2. Step 2: Convert to fraction form
    9,921.08/14,877.68 = 4,723.31/x
  3. Step 3: Cross multiply
    9,921.08x = 14,877.68 × 4,723.31
  4. Step 4: Simplify right side
    9,921.08x = 70,271,908.30
  5. Step 5: Solve for x
    x = 70,271,908.30/9,921.08
  6. Step 6: Final answer
    x = 7,083.09

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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.