Home / 12,374.50-17,076.81-6,785.62

Finding the Fourth Proportional to 12,374.50, 17,076.81 and 6,785.62

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Solution

The fourth proportional to 12,374.50, 17,076.81 and 6,785.62 is: 9,364.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.50 : 17,076.81 = 6,785.62 : x
  2. Step 2: Convert to fraction form
    12,374.50/17,076.81 = 6,785.62/x
  3. Step 3: Cross multiply
    12,374.50x = 17,076.81 × 6,785.62
  4. Step 4: Simplify right side
    12,374.50x = 115,876,743.47
  5. Step 5: Solve for x
    x = 115,876,743.47/12,374.50
  6. Step 6: Final answer
    x = 9,364.16

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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.