Home / 10,409.19-15,613.52-4,859.48

Finding the Fourth Proportional to 10,409.19, 15,613.52 and 4,859.48

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Solution

The fourth proportional to 10,409.19, 15,613.52 and 4,859.48 is: 7,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.19 : 15,613.52 = 4,859.48 : x
  2. Step 2: Convert to fraction form
    10,409.19/15,613.52 = 4,859.48/x
  3. Step 3: Cross multiply
    10,409.19x = 15,613.52 × 4,859.48
  4. Step 4: Simplify right side
    10,409.19x = 75,873,485.80
  5. Step 5: Solve for x
    x = 75,873,485.80/10,409.19
  6. Step 6: Final answer
    x = 7,289.09

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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.