Home / 8,541.80-11,788.59-5,007.98

Finding the Fourth Proportional to 8,541.80, 11,788.59 and 5,007.98

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Solution

The fourth proportional to 8,541.80, 11,788.59 and 5,007.98 is: 6,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.80 : 11,788.59 = 5,007.98 : x
  2. Step 2: Convert to fraction form
    8,541.80/11,788.59 = 5,007.98/x
  3. Step 3: Cross multiply
    8,541.80x = 11,788.59 × 5,007.98
  4. Step 4: Simplify right side
    8,541.80x = 59,037,022.95
  5. Step 5: Solve for x
    x = 59,037,022.95/8,541.80
  6. Step 6: Final answer
    x = 6,911.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.