Home / 7,845.96-10,827.56-4,309.32

Finding the Fourth Proportional to 7,845.96, 10,827.56 and 4,309.32

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Solution

The fourth proportional to 7,845.96, 10,827.56 and 4,309.32 is: 5,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.96 : 10,827.56 = 4,309.32 : x
  2. Step 2: Convert to fraction form
    7,845.96/10,827.56 = 4,309.32/x
  3. Step 3: Cross multiply
    7,845.96x = 10,827.56 × 4,309.32
  4. Step 4: Simplify right side
    7,845.96x = 46,659,420.86
  5. Step 5: Solve for x
    x = 46,659,420.86/7,845.96
  6. Step 6: Final answer
    x = 5,946.94

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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.