Home / 11,271.66-16,902.36-4,693.92

Finding the Fourth Proportional to 11,271.66, 16,902.36 and 4,693.92

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Solution

The fourth proportional to 11,271.66, 16,902.36 and 4,693.92 is: 7,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.66 : 16,902.36 = 4,693.92 : x
  2. Step 2: Convert to fraction form
    11,271.66/16,902.36 = 4,693.92/x
  3. Step 3: Cross multiply
    11,271.66x = 16,902.36 × 4,693.92
  4. Step 4: Simplify right side
    11,271.66x = 79,338,325.65
  5. Step 5: Solve for x
    x = 79,338,325.65/11,271.66
  6. Step 6: Final answer
    x = 7,038.74

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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.