Home / 10,515.74-14,511.54-5,799.92

Finding the Fourth Proportional to 10,515.74, 14,511.54 and 5,799.92

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Solution

The fourth proportional to 10,515.74, 14,511.54 and 5,799.92 is: 8,003.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.74 : 14,511.54 = 5,799.92 : x
  2. Step 2: Convert to fraction form
    10,515.74/14,511.54 = 5,799.92/x
  3. Step 3: Cross multiply
    10,515.74x = 14,511.54 × 5,799.92
  4. Step 4: Simplify right side
    10,515.74x = 84,165,771.08
  5. Step 5: Solve for x
    x = 84,165,771.08/10,515.74
  6. Step 6: Final answer
    x = 8,003.79

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1.5x scale

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.