Home / 9,910.88-14,867.13-4,977.98

Finding the Fourth Proportional to 9,910.88, 14,867.13 and 4,977.98

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Solution

The fourth proportional to 9,910.88, 14,867.13 and 4,977.98 is: 7,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.88 : 14,867.13 = 4,977.98 : x
  2. Step 2: Convert to fraction form
    9,910.88/14,867.13 = 4,977.98/x
  3. Step 3: Cross multiply
    9,910.88x = 14,867.13 × 4,977.98
  4. Step 4: Simplify right side
    9,910.88x = 74,008,275.80
  5. Step 5: Solve for x
    x = 74,008,275.80/9,910.88
  6. Step 6: Final answer
    x = 7,467.38

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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.