Home / 8,317.22-11,451.57-7,055.66

Finding the Fourth Proportional to 8,317.22, 11,451.57 and 7,055.66

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Solution

The fourth proportional to 8,317.22, 11,451.57 and 7,055.66 is: 9,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.22 : 11,451.57 = 7,055.66 : x
  2. Step 2: Convert to fraction form
    8,317.22/11,451.57 = 7,055.66/x
  3. Step 3: Cross multiply
    8,317.22x = 11,451.57 × 7,055.66
  4. Step 4: Simplify right side
    8,317.22x = 80,798,384.39
  5. Step 5: Solve for x
    x = 80,798,384.39/8,317.22
  6. Step 6: Final answer
    x = 9,714.59

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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.