Home / 11,222.10-16,827.23-4,979.40

Finding the Fourth Proportional to 11,222.10, 16,827.23 and 4,979.40

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Solution

The fourth proportional to 11,222.10, 16,827.23 and 4,979.40 is: 7,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.10 : 16,827.23 = 4,979.40 : x
  2. Step 2: Convert to fraction form
    11,222.10/16,827.23 = 4,979.40/x
  3. Step 3: Cross multiply
    11,222.10x = 16,827.23 × 4,979.40
  4. Step 4: Simplify right side
    11,222.10x = 83,789,484.17
  5. Step 5: Solve for x
    x = 83,789,484.17/11,222.10
  6. Step 6: Final answer
    x = 7,466.47

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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.