Home / 8,482.22-11,703.94-5,122.78

Finding the Fourth Proportional to 8,482.22, 11,703.94 and 5,122.78

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Solution

The fourth proportional to 8,482.22, 11,703.94 and 5,122.78 is: 7,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.22 : 11,703.94 = 5,122.78 : x
  2. Step 2: Convert to fraction form
    8,482.22/11,703.94 = 5,122.78/x
  3. Step 3: Cross multiply
    8,482.22x = 11,703.94 × 5,122.78
  4. Step 4: Simplify right side
    8,482.22x = 59,956,709.75
  5. Step 5: Solve for x
    x = 59,956,709.75/8,482.22
  6. Step 6: Final answer
    x = 7,068.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.