Home / 12,374.16-17,076.36-6,785.36

Finding the Fourth Proportional to 12,374.16, 17,076.36 and 6,785.36

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Solution

The fourth proportional to 12,374.16, 17,076.36 and 6,785.36 is: 9,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.16 : 17,076.36 = 6,785.36 : x
  2. Step 2: Convert to fraction form
    12,374.16/17,076.36 = 6,785.36/x
  3. Step 3: Cross multiply
    12,374.16x = 17,076.36 × 6,785.36
  4. Step 4: Simplify right side
    12,374.16x = 115,869,250.09
  5. Step 5: Solve for x
    x = 115,869,250.09/12,374.16
  6. Step 6: Final answer
    x = 9,363.81

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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.