Home / 11,026.40-15,216.12-6,310.52

Finding the Fourth Proportional to 11,026.40, 15,216.12 and 6,310.52

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Solution

The fourth proportional to 11,026.40, 15,216.12 and 6,310.52 is: 8,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.40 : 15,216.12 = 6,310.52 : x
  2. Step 2: Convert to fraction form
    11,026.40/15,216.12 = 6,310.52/x
  3. Step 3: Cross multiply
    11,026.40x = 15,216.12 × 6,310.52
  4. Step 4: Simplify right side
    11,026.40x = 96,021,629.58
  5. Step 5: Solve for x
    x = 96,021,629.58/11,026.40
  6. Step 6: Final answer
    x = 8,708.34

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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.