Home / 7,827.60-10,796.04-4,680.48

Finding the Fourth Proportional to 7,827.60, 10,796.04 and 4,680.48

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Solution

The fourth proportional to 7,827.60, 10,796.04 and 4,680.48 is: 6,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.60 : 10,796.04 = 4,680.48 : x
  2. Step 2: Convert to fraction form
    7,827.60/10,796.04 = 4,680.48/x
  3. Step 3: Cross multiply
    7,827.60x = 10,796.04 × 4,680.48
  4. Step 4: Simplify right side
    7,827.60x = 50,530,649.30
  5. Step 5: Solve for x
    x = 50,530,649.30/7,827.60
  6. Step 6: Final answer
    x = 6,455.45

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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.