Home / 11,294.85-16,943.36-4,720.35

Finding the Fourth Proportional to 11,294.85, 16,943.36 and 4,720.35

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Solution

The fourth proportional to 11,294.85, 16,943.36 and 4,720.35 is: 7,080.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.85 : 16,943.36 = 4,720.35 : x
  2. Step 2: Convert to fraction form
    11,294.85/16,943.36 = 4,720.35/x
  3. Step 3: Cross multiply
    11,294.85x = 16,943.36 × 4,720.35
  4. Step 4: Simplify right side
    11,294.85x = 79,978,565.77
  5. Step 5: Solve for x
    x = 79,978,565.77/11,294.85
  6. Step 6: Final answer
    x = 7,080.98

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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.