Home / 11,275.51-16,917.21-3,484.32

Finding the Fourth Proportional to 11,275.51, 16,917.21 and 3,484.32

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Solution

The fourth proportional to 11,275.51, 16,917.21 and 3,484.32 is: 5,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.51 : 16,917.21 = 3,484.32 : x
  2. Step 2: Convert to fraction form
    11,275.51/16,917.21 = 3,484.32/x
  3. Step 3: Cross multiply
    11,275.51x = 16,917.21 × 3,484.32
  4. Step 4: Simplify right side
    11,275.51x = 58,944,973.15
  5. Step 5: Solve for x
    x = 58,944,973.15/11,275.51
  6. Step 6: Final answer
    x = 5,227.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.