Home / 10,690.26-14,751.28-5,909.56

Finding the Fourth Proportional to 10,690.26, 14,751.28 and 5,909.56

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Solution

The fourth proportional to 10,690.26, 14,751.28 and 5,909.56 is: 8,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.26 : 14,751.28 = 5,909.56 : x
  2. Step 2: Convert to fraction form
    10,690.26/14,751.28 = 5,909.56/x
  3. Step 3: Cross multiply
    10,690.26x = 14,751.28 × 5,909.56
  4. Step 4: Simplify right side
    10,690.26x = 87,173,537.36
  5. Step 5: Solve for x
    x = 87,173,537.36/10,690.26
  6. Step 6: Final answer
    x = 8,154.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.