Home / 7,769.52-10,721.96-4,625.68

Finding the Fourth Proportional to 7,769.52, 10,721.96 and 4,625.68

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Solution

The fourth proportional to 7,769.52, 10,721.96 and 4,625.68 is: 6,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.52 : 10,721.96 = 4,625.68 : x
  2. Step 2: Convert to fraction form
    7,769.52/10,721.96 = 4,625.68/x
  3. Step 3: Cross multiply
    7,769.52x = 10,721.96 × 4,625.68
  4. Step 4: Simplify right side
    7,769.52x = 49,596,355.93
  5. Step 5: Solve for x
    x = 49,596,355.93/7,769.52
  6. Step 6: Final answer
    x = 6,383.45

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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.