Home / 11,151.46-16,732.65-4,910.70

Finding the Fourth Proportional to 11,151.46, 16,732.65 and 4,910.70

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Solution

The fourth proportional to 11,151.46, 16,732.65 and 4,910.70 is: 7,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.46 : 16,732.65 = 4,910.70 : x
  2. Step 2: Convert to fraction form
    11,151.46/16,732.65 = 4,910.70/x
  3. Step 3: Cross multiply
    11,151.46x = 16,732.65 × 4,910.70
  4. Step 4: Simplify right side
    11,151.46x = 82,169,024.36
  5. Step 5: Solve for x
    x = 82,169,024.36/11,151.46
  6. Step 6: Final answer
    x = 7,368.45

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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.