Home / 7,799.36-11,678.47-4,671.95

Finding the Fourth Proportional to 7,799.36, 11,678.47 and 4,671.95

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Solution

The fourth proportional to 7,799.36, 11,678.47 and 4,671.95 is: 6,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.36 : 11,678.47 = 4,671.95 : x
  2. Step 2: Convert to fraction form
    7,799.36/11,678.47 = 4,671.95/x
  3. Step 3: Cross multiply
    7,799.36x = 11,678.47 × 4,671.95
  4. Step 4: Simplify right side
    7,799.36x = 54,561,227.92
  5. Step 5: Solve for x
    x = 54,561,227.92/7,799.36
  6. Step 6: Final answer
    x = 6,995.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.