Home / 11,792.46-16,280.31-7,818.95

Finding the Fourth Proportional to 11,792.46, 16,280.31 and 7,818.95

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Solution

The fourth proportional to 11,792.46, 16,280.31 and 7,818.95 is: 10,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,792.46 : 16,280.31 = 7,818.95 : x
  2. Step 2: Convert to fraction form
    11,792.46/16,280.31 = 7,818.95/x
  3. Step 3: Cross multiply
    11,792.46x = 16,280.31 × 7,818.95
  4. Step 4: Simplify right side
    11,792.46x = 127,294,848.47
  5. Step 5: Solve for x
    x = 127,294,848.47/11,792.46
  6. Step 6: Final answer
    x = 10,794.60

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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.