Home / 7,701.39-11,496.36-6,767.21

Finding the Fourth Proportional to 7,701.39, 11,496.36 and 6,767.21

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Solution

The fourth proportional to 7,701.39, 11,496.36 and 6,767.21 is: 10,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.39 : 11,496.36 = 6,767.21 : x
  2. Step 2: Convert to fraction form
    7,701.39/11,496.36 = 6,767.21/x
  3. Step 3: Cross multiply
    7,701.39x = 11,496.36 × 6,767.21
  4. Step 4: Simplify right side
    7,701.39x = 77,798,282.36
  5. Step 5: Solve for x
    x = 77,798,282.36/7,701.39
  6. Step 6: Final answer
    x = 10,101.85

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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.