Home / 7,799.24-11,706.96-5,220.20

Finding the Fourth Proportional to 7,799.24, 11,706.96 and 5,220.20

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Solution

The fourth proportional to 7,799.24, 11,706.96 and 5,220.20 is: 7,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.24 : 11,706.96 = 5,220.20 : x
  2. Step 2: Convert to fraction form
    7,799.24/11,706.96 = 5,220.20/x
  3. Step 3: Cross multiply
    7,799.24x = 11,706.96 × 5,220.20
  4. Step 4: Simplify right side
    7,799.24x = 61,112,672.59
  5. Step 5: Solve for x
    x = 61,112,672.59/7,799.24
  6. Step 6: Final answer
    x = 7,835.72

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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.