Home / 10,464.24-15,695.28-6,556.80

Finding the Fourth Proportional to 10,464.24, 15,695.28 and 6,556.80

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Solution

The fourth proportional to 10,464.24, 15,695.28 and 6,556.80 is: 9,834.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464.24 : 15,695.28 = 6,556.80 : x
  2. Step 2: Convert to fraction form
    10,464.24/15,695.28 = 6,556.80/x
  3. Step 3: Cross multiply
    10,464.24x = 15,695.28 × 6,556.80
  4. Step 4: Simplify right side
    10,464.24x = 102,910,811.90
  5. Step 5: Solve for x
    x = 102,910,811.90/10,464.24
  6. Step 6: Final answer
    x = 9,834.52

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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.