Home / 10,921.32-16,368.30-4,673.97

Finding the Fourth Proportional to 10,921.32, 16,368.30 and 4,673.97

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Solution

The fourth proportional to 10,921.32, 16,368.30 and 4,673.97 is: 7,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921.32 : 16,368.30 = 4,673.97 : x
  2. Step 2: Convert to fraction form
    10,921.32/16,368.30 = 4,673.97/x
  3. Step 3: Cross multiply
    10,921.32x = 16,368.30 × 4,673.97
  4. Step 4: Simplify right side
    10,921.32x = 76,504,943.15
  5. Step 5: Solve for x
    x = 76,504,943.15/10,921.32
  6. Step 6: Final answer
    x = 7,005.10

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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.