Home / 11,870.48-17,807.16-4,081.04

Finding the Fourth Proportional to 11,870.48, 17,807.16 and 4,081.04

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Solution

The fourth proportional to 11,870.48, 17,807.16 and 4,081.04 is: 6,122.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870.48 : 17,807.16 = 4,081.04 : x
  2. Step 2: Convert to fraction form
    11,870.48/17,807.16 = 4,081.04/x
  3. Step 3: Cross multiply
    11,870.48x = 17,807.16 × 4,081.04
  4. Step 4: Simplify right side
    11,870.48x = 72,671,732.25
  5. Step 5: Solve for x
    x = 72,671,732.25/11,870.48
  6. Step 6: Final answer
    x = 6,122.06

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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.