Home / 8,019.96-11,068.14-5,368.44

Finding the Fourth Proportional to 8,019.96, 11,068.14 and 5,368.44

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Solution

The fourth proportional to 8,019.96, 11,068.14 and 5,368.44 is: 7,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.96 : 11,068.14 = 5,368.44 : x
  2. Step 2: Convert to fraction form
    8,019.96/11,068.14 = 5,368.44/x
  3. Step 3: Cross multiply
    8,019.96x = 11,068.14 × 5,368.44
  4. Step 4: Simplify right side
    8,019.96x = 59,418,645.50
  5. Step 5: Solve for x
    x = 59,418,645.50/8,019.96
  6. Step 6: Final answer
    x = 7,408.85

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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.