Home / 11,225.85-16,838.16-3,434.66

Finding the Fourth Proportional to 11,225.85, 16,838.16 and 3,434.66

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Solution

The fourth proportional to 11,225.85, 16,838.16 and 3,434.66 is: 5,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.85 : 16,838.16 = 3,434.66 : x
  2. Step 2: Convert to fraction form
    11,225.85/16,838.16 = 3,434.66/x
  3. Step 3: Cross multiply
    11,225.85x = 16,838.16 × 3,434.66
  4. Step 4: Simplify right side
    11,225.85x = 57,833,354.63
  5. Step 5: Solve for x
    x = 57,833,354.63/11,225.85
  6. Step 6: Final answer
    x = 5,151.80

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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.