Home / 8,927.61-13,390.62-5,416.58

Finding the Fourth Proportional to 8,927.61, 13,390.62 and 5,416.58

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Solution

The fourth proportional to 8,927.61, 13,390.62 and 5,416.58 is: 8,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.61 : 13,390.62 = 5,416.58 : x
  2. Step 2: Convert to fraction form
    8,927.61/13,390.62 = 5,416.58/x
  3. Step 3: Cross multiply
    8,927.61x = 13,390.62 × 5,416.58
  4. Step 4: Simplify right side
    8,927.61x = 72,531,297.53
  5. Step 5: Solve for x
    x = 72,531,297.53/8,927.61
  6. Step 6: Final answer
    x = 8,124.38

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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.