Home / 7,726.62-11,533.37-6,637.98

Finding the Fourth Proportional to 7,726.62, 11,533.37 and 6,637.98

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Solution

The fourth proportional to 7,726.62, 11,533.37 and 6,637.98 is: 9,908.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.62 : 11,533.37 = 6,637.98 : x
  2. Step 2: Convert to fraction form
    7,726.62/11,533.37 = 6,637.98/x
  3. Step 3: Cross multiply
    7,726.62x = 11,533.37 × 6,637.98
  4. Step 4: Simplify right side
    7,726.62x = 76,558,279.39
  5. Step 5: Solve for x
    x = 76,558,279.39/7,726.62
  6. Step 6: Final answer
    x = 9,908.38

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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.