Home / 8,374.46-11,552.55-5,721.98

Finding the Fourth Proportional to 8,374.46, 11,552.55 and 5,721.98

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Solution

The fourth proportional to 8,374.46, 11,552.55 and 5,721.98 is: 7,893.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.46 : 11,552.55 = 5,721.98 : x
  2. Step 2: Convert to fraction form
    8,374.46/11,552.55 = 5,721.98/x
  3. Step 3: Cross multiply
    8,374.46x = 11,552.55 × 5,721.98
  4. Step 4: Simplify right side
    8,374.46x = 66,103,460.05
  5. Step 5: Solve for x
    x = 66,103,460.05/8,374.46
  6. Step 6: Final answer
    x = 7,893.46

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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.