Home / 11,070.52-16,612.61-6,399.75

Finding the Fourth Proportional to 11,070.52, 16,612.61 and 6,399.75

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Solution

The fourth proportional to 11,070.52, 16,612.61 and 6,399.75 is: 9,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.52 : 16,612.61 = 6,399.75 : x
  2. Step 2: Convert to fraction form
    11,070.52/16,612.61 = 6,399.75/x
  3. Step 3: Cross multiply
    11,070.52x = 16,612.61 × 6,399.75
  4. Step 4: Simplify right side
    11,070.52x = 106,316,518.85
  5. Step 5: Solve for x
    x = 106,316,518.85/11,070.52
  6. Step 6: Final answer
    x = 9,603.57

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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.