Home / 10,415.92-15,625.68-4,573.12

Finding the Fourth Proportional to 10,415.92, 15,625.68 and 4,573.12

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Solution

The fourth proportional to 10,415.92, 15,625.68 and 4,573.12 is: 6,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.92 : 15,625.68 = 4,573.12 : x
  2. Step 2: Convert to fraction form
    10,415.92/15,625.68 = 4,573.12/x
  3. Step 3: Cross multiply
    10,415.92x = 15,625.68 × 4,573.12
  4. Step 4: Simplify right side
    10,415.92x = 71,458,109.72
  5. Step 5: Solve for x
    x = 71,458,109.72/10,415.92
  6. Step 6: Final answer
    x = 6,860.47

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1.5x scale

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.