Home / 7,789.81-10,750.56-4,433.65

Finding the Fourth Proportional to 7,789.81, 10,750.56 and 4,433.65

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Solution

The fourth proportional to 7,789.81, 10,750.56 and 4,433.65 is: 6,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.81 : 10,750.56 = 4,433.65 : x
  2. Step 2: Convert to fraction form
    7,789.81/10,750.56 = 4,433.65/x
  3. Step 3: Cross multiply
    7,789.81x = 10,750.56 × 4,433.65
  4. Step 4: Simplify right side
    7,789.81x = 47,664,220.34
  5. Step 5: Solve for x
    x = 47,664,220.34/7,789.81
  6. Step 6: Final answer
    x = 6,118.79

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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.