Home / 8,310.22-11,462.65-5,321.32

Finding the Fourth Proportional to 8,310.22, 11,462.65 and 5,321.32

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Solution

The fourth proportional to 8,310.22, 11,462.65 and 5,321.32 is: 7,339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.22 : 11,462.65 = 5,321.32 : x
  2. Step 2: Convert to fraction form
    8,310.22/11,462.65 = 5,321.32/x
  3. Step 3: Cross multiply
    8,310.22x = 11,462.65 × 5,321.32
  4. Step 4: Simplify right side
    8,310.22x = 60,996,386.74
  5. Step 5: Solve for x
    x = 60,996,386.74/8,310.22
  6. Step 6: Final answer
    x = 7,339.93

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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.