Home / 11,206.87-16,810.29-3,415.68

Finding the Fourth Proportional to 11,206.87, 16,810.29 and 3,415.68

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Solution

The fourth proportional to 11,206.87, 16,810.29 and 3,415.68 is: 5,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.87 : 16,810.29 = 3,415.68 : x
  2. Step 2: Convert to fraction form
    11,206.87/16,810.29 = 3,415.68/x
  3. Step 3: Cross multiply
    11,206.87x = 16,810.29 × 3,415.68
  4. Step 4: Simplify right side
    11,206.87x = 57,418,554.27
  5. Step 5: Solve for x
    x = 57,418,554.27/11,206.87
  6. Step 6: Final answer
    x = 5,123.52

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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.