Home / 11,135.65-16,685.85-9,045.52

Finding the Fourth Proportional to 11,135.65, 16,685.85 and 9,045.52

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Solution

The fourth proportional to 11,135.65, 16,685.85 and 9,045.52 is: 13,553.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.65 : 16,685.85 = 9,045.52 : x
  2. Step 2: Convert to fraction form
    11,135.65/16,685.85 = 9,045.52/x
  3. Step 3: Cross multiply
    11,135.65x = 16,685.85 × 9,045.52
  4. Step 4: Simplify right side
    11,135.65x = 150,932,189.89
  5. Step 5: Solve for x
    x = 150,932,189.89/11,135.65
  6. Step 6: Final answer
    x = 13,553.96

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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.