Home / 10,968.41-16,442.47-5,342.74

Finding the Fourth Proportional to 10,968.41, 16,442.47 and 5,342.74

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Solution

The fourth proportional to 10,968.41, 16,442.47 and 5,342.74 is: 8,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.41 : 16,442.47 = 5,342.74 : x
  2. Step 2: Convert to fraction form
    10,968.41/16,442.47 = 5,342.74/x
  3. Step 3: Cross multiply
    10,968.41x = 16,442.47 × 5,342.74
  4. Step 4: Simplify right side
    10,968.41x = 87,847,842.17
  5. Step 5: Solve for x
    x = 87,847,842.17/10,968.41
  6. Step 6: Final answer
    x = 8,009.17

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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.