Home / 10,578.21-15,867.52-3,556.93

Finding the Fourth Proportional to 10,578.21, 15,867.52 and 3,556.93

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Solution

The fourth proportional to 10,578.21, 15,867.52 and 3,556.93 is: 5,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.21 : 15,867.52 = 3,556.93 : x
  2. Step 2: Convert to fraction form
    10,578.21/15,867.52 = 3,556.93/x
  3. Step 3: Cross multiply
    10,578.21x = 15,867.52 × 3,556.93
  4. Step 4: Simplify right side
    10,578.21x = 56,439,609.35
  5. Step 5: Solve for x
    x = 56,439,609.35/10,578.21
  6. Step 6: Final answer
    x = 5,335.46

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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.