Home / 11,877.63-16,388.52-7,096.85

Finding the Fourth Proportional to 11,877.63, 16,388.52 and 7,096.85

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Solution

The fourth proportional to 11,877.63, 16,388.52 and 7,096.85 is: 9,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.63 : 16,388.52 = 7,096.85 : x
  2. Step 2: Convert to fraction form
    11,877.63/16,388.52 = 7,096.85/x
  3. Step 3: Cross multiply
    11,877.63x = 16,388.52 × 7,096.85
  4. Step 4: Simplify right side
    11,877.63x = 116,306,888.65
  5. Step 5: Solve for x
    x = 116,306,888.65/11,877.63
  6. Step 6: Final answer
    x = 9,792.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.