Home / 11,207.18-16,810.75-3,415.99

Finding the Fourth Proportional to 11,207.18, 16,810.75 and 3,415.99

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Solution

The fourth proportional to 11,207.18, 16,810.75 and 3,415.99 is: 5,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.18 : 16,810.75 = 3,415.99 : x
  2. Step 2: Convert to fraction form
    11,207.18/16,810.75 = 3,415.99/x
  3. Step 3: Cross multiply
    11,207.18x = 16,810.75 × 3,415.99
  4. Step 4: Simplify right side
    11,207.18x = 57,425,353.89
  5. Step 5: Solve for x
    x = 57,425,353.89/11,207.18
  6. Step 6: Final answer
    x = 5,123.98

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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.