Home / 10,985.37-15,155.25-6,733.02

Finding the Fourth Proportional to 10,985.37, 15,155.25 and 6,733.02

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Solution

The fourth proportional to 10,985.37, 15,155.25 and 6,733.02 is: 9,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.37 : 15,155.25 = 6,733.02 : x
  2. Step 2: Convert to fraction form
    10,985.37/15,155.25 = 6,733.02/x
  3. Step 3: Cross multiply
    10,985.37x = 15,155.25 × 6,733.02
  4. Step 4: Simplify right side
    10,985.37x = 102,040,601.36
  5. Step 5: Solve for x
    x = 102,040,601.36/10,985.37
  6. Step 6: Final answer
    x = 9,288.77

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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.