Home / 11,029.64-15,210.52-8,507.75

Finding the Fourth Proportional to 11,029.64, 15,210.52 and 8,507.75

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Solution

The fourth proportional to 11,029.64, 15,210.52 and 8,507.75 is: 11,732.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.64 : 15,210.52 = 8,507.75 : x
  2. Step 2: Convert to fraction form
    11,029.64/15,210.52 = 8,507.75/x
  3. Step 3: Cross multiply
    11,029.64x = 15,210.52 × 8,507.75
  4. Step 4: Simplify right side
    11,029.64x = 129,407,258.99
  5. Step 5: Solve for x
    x = 129,407,258.99/11,029.64
  6. Step 6: Final answer
    x = 11,732.68

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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.