Home / 6,731.12-9,293.56-4,214.32

Finding the Fourth Proportional to 6,731.12, 9,293.56 and 4,214.32

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Solution

The fourth proportional to 6,731.12, 9,293.56 and 4,214.32 is: 5,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.12 : 9,293.56 = 4,214.32 : x
  2. Step 2: Convert to fraction form
    6,731.12/9,293.56 = 4,214.32/x
  3. Step 3: Cross multiply
    6,731.12x = 9,293.56 × 4,214.32
  4. Step 4: Simplify right side
    6,731.12x = 39,166,035.78
  5. Step 5: Solve for x
    x = 39,166,035.78/6,731.12
  6. Step 6: Final answer
    x = 5,818.65

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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.