Home / 7,768.37-10,721.25-4,624.58

Finding the Fourth Proportional to 7,768.37, 10,721.25 and 4,624.58

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Solution

The fourth proportional to 7,768.37, 10,721.25 and 4,624.58 is: 6,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.37 : 10,721.25 = 4,624.58 : x
  2. Step 2: Convert to fraction form
    7,768.37/10,721.25 = 4,624.58/x
  3. Step 3: Cross multiply
    7,768.37x = 10,721.25 × 4,624.58
  4. Step 4: Simplify right side
    7,768.37x = 49,581,278.33
  5. Step 5: Solve for x
    x = 49,581,278.33/7,768.37
  6. Step 6: Final answer
    x = 6,382.46

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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.