Home / 12,258.30-16,798.62-11,077.32

Finding the Fourth Proportional to 12,258.30, 16,798.62 and 11,077.32

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Solution

The fourth proportional to 12,258.30, 16,798.62 and 11,077.32 is: 15,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.30 : 16,798.62 = 11,077.32 : x
  2. Step 2: Convert to fraction form
    12,258.30/16,798.62 = 11,077.32/x
  3. Step 3: Cross multiply
    12,258.30x = 16,798.62 × 11,077.32
  4. Step 4: Simplify right side
    12,258.30x = 186,083,793.83
  5. Step 5: Solve for x
    x = 186,083,793.83/12,258.30
  6. Step 6: Final answer
    x = 15,180.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.