Home / 7,764.42-11,628.08-4,470.58

Finding the Fourth Proportional to 7,764.42, 11,628.08 and 4,470.58

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Solution

The fourth proportional to 7,764.42, 11,628.08 and 4,470.58 is: 6,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.42 : 11,628.08 = 4,470.58 : x
  2. Step 2: Convert to fraction form
    7,764.42/11,628.08 = 4,470.58/x
  3. Step 3: Cross multiply
    7,764.42x = 11,628.08 × 4,470.58
  4. Step 4: Simplify right side
    7,764.42x = 51,984,261.89
  5. Step 5: Solve for x
    x = 51,984,261.89/7,764.42
  6. Step 6: Final answer
    x = 6,695.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.