Home / 7,630.48-11,384.26-6,798.80

Finding the Fourth Proportional to 7,630.48, 11,384.26 and 6,798.80

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Solution

The fourth proportional to 7,630.48, 11,384.26 and 6,798.80 is: 10,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.48 : 11,384.26 = 6,798.80 : x
  2. Step 2: Convert to fraction form
    7,630.48/11,384.26 = 6,798.80/x
  3. Step 3: Cross multiply
    7,630.48x = 11,384.26 × 6,798.80
  4. Step 4: Simplify right side
    7,630.48x = 77,399,306.89
  5. Step 5: Solve for x
    x = 77,399,306.89/7,630.48
  6. Step 6: Final answer
    x = 10,143.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.