Home / 11,272.40-16,899.44-4,703.48

Finding the Fourth Proportional to 11,272.40, 16,899.44 and 4,703.48

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Solution

The fourth proportional to 11,272.40, 16,899.44 and 4,703.48 is: 7,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.40 : 16,899.44 = 4,703.48 : x
  2. Step 2: Convert to fraction form
    11,272.40/16,899.44 = 4,703.48/x
  3. Step 3: Cross multiply
    11,272.40x = 16,899.44 × 4,703.48
  4. Step 4: Simplify right side
    11,272.40x = 79,486,178.05
  5. Step 5: Solve for x
    x = 79,486,178.05/11,272.40
  6. Step 6: Final answer
    x = 7,051.40

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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.