Home / 11,066.06-15,272.08-6,819.86

Finding the Fourth Proportional to 11,066.06, 15,272.08 and 6,819.86

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Solution

The fourth proportional to 11,066.06, 15,272.08 and 6,819.86 is: 9,411.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,066.06 : 15,272.08 = 6,819.86 : x
  2. Step 2: Convert to fraction form
    11,066.06/15,272.08 = 6,819.86/x
  3. Step 3: Cross multiply
    11,066.06x = 15,272.08 × 6,819.86
  4. Step 4: Simplify right side
    11,066.06x = 104,153,447.51
  5. Step 5: Solve for x
    x = 104,153,447.51/11,066.06
  6. Step 6: Final answer
    x = 9,411.97

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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.