Home / 11,830.38-17,746.47-6,900.51

Finding the Fourth Proportional to 11,830.38, 17,746.47 and 6,900.51

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Solution

The fourth proportional to 11,830.38, 17,746.47 and 6,900.51 is: 10,351.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830.38 : 17,746.47 = 6,900.51 : x
  2. Step 2: Convert to fraction form
    11,830.38/17,746.47 = 6,900.51/x
  3. Step 3: Cross multiply
    11,830.38x = 17,746.47 × 6,900.51
  4. Step 4: Simplify right side
    11,830.38x = 122,459,693.70
  5. Step 5: Solve for x
    x = 122,459,693.70/11,830.38
  6. Step 6: Final answer
    x = 10,351.29

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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.