Home / 10,432.08-15,651.62-3,412.42

Finding the Fourth Proportional to 10,432.08, 15,651.62 and 3,412.42

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Solution

The fourth proportional to 10,432.08, 15,651.62 and 3,412.42 is: 5,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.08 : 15,651.62 = 3,412.42 : x
  2. Step 2: Convert to fraction form
    10,432.08/15,651.62 = 3,412.42/x
  3. Step 3: Cross multiply
    10,432.08x = 15,651.62 × 3,412.42
  4. Step 4: Simplify right side
    10,432.08x = 53,409,901.12
  5. Step 5: Solve for x
    x = 53,409,901.12/10,432.08
  6. Step 6: Final answer
    x = 5,119.77

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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.