Home / 7,926.72-10,936.80-4,780.68

Finding the Fourth Proportional to 7,926.72, 10,936.80 and 4,780.68

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Solution

The fourth proportional to 7,926.72, 10,936.80 and 4,780.68 is: 6,596.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.72 : 10,936.80 = 4,780.68 : x
  2. Step 2: Convert to fraction form
    7,926.72/10,936.80 = 4,780.68/x
  3. Step 3: Cross multiply
    7,926.72x = 10,936.80 × 4,780.68
  4. Step 4: Simplify right side
    7,926.72x = 52,285,341.02
  5. Step 5: Solve for x
    x = 52,285,341.02/7,926.72
  6. Step 6: Final answer
    x = 6,596.09

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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.