Home / 11,325.17-16,988.64-3,005.00

Finding the Fourth Proportional to 11,325.17, 16,988.64 and 3,005.00

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Solution

The fourth proportional to 11,325.17, 16,988.64 and 3,005.00 is: 4,507.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.17 : 16,988.64 = 3,005.00 : x
  2. Step 2: Convert to fraction form
    11,325.17/16,988.64 = 3,005.00/x
  3. Step 3: Cross multiply
    11,325.17x = 16,988.64 × 3,005.00
  4. Step 4: Simplify right side
    11,325.17x = 51,050,830.70
  5. Step 5: Solve for x
    x = 51,050,830.70/11,325.17
  6. Step 6: Final answer
    x = 4,507.73

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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.