Home / 11,097.82-15,315.70-6,382.00

Finding the Fourth Proportional to 11,097.82, 15,315.70 and 6,382.00

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Solution

The fourth proportional to 11,097.82, 15,315.70 and 6,382.00 is: 8,807.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097.82 : 15,315.70 = 6,382.00 : x
  2. Step 2: Convert to fraction form
    11,097.82/15,315.70 = 6,382.00/x
  3. Step 3: Cross multiply
    11,097.82x = 15,315.70 × 6,382.00
  4. Step 4: Simplify right side
    11,097.82x = 97,744,720.82
  5. Step 5: Solve for x
    x = 97,744,720.82/11,097.82
  6. Step 6: Final answer
    x = 8,807.56

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1.5x scale

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.