Home / 10,790.95-16,187.90-5,243.56

Finding the Fourth Proportional to 10,790.95, 16,187.90 and 5,243.56

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Solution

The fourth proportional to 10,790.95, 16,187.90 and 5,243.56 is: 7,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.95 : 16,187.90 = 5,243.56 : x
  2. Step 2: Convert to fraction form
    10,790.95/16,187.90 = 5,243.56/x
  3. Step 3: Cross multiply
    10,790.95x = 16,187.90 × 5,243.56
  4. Step 4: Simplify right side
    10,790.95x = 84,882,233.26
  5. Step 5: Solve for x
    x = 84,882,233.26/10,790.95
  6. Step 6: Final answer
    x = 7,866.06

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1.5x scale

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.