Home / 10,910.88-16,368.75-5,977.98

Finding the Fourth Proportional to 10,910.88, 16,368.75 and 5,977.98

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Solution

The fourth proportional to 10,910.88, 16,368.75 and 5,977.98 is: 8,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.88 : 16,368.75 = 5,977.98 : x
  2. Step 2: Convert to fraction form
    10,910.88/16,368.75 = 5,977.98/x
  3. Step 3: Cross multiply
    10,910.88x = 16,368.75 × 5,977.98
  4. Step 4: Simplify right side
    10,910.88x = 97,852,060.13
  5. Step 5: Solve for x
    x = 97,852,060.13/10,910.88
  6. Step 6: Final answer
    x = 8,968.30

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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.