Home / 10,606.40-15,909.52-4,446.08

Finding the Fourth Proportional to 10,606.40, 15,909.52 and 4,446.08

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Solution

The fourth proportional to 10,606.40, 15,909.52 and 4,446.08 is: 6,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.40 : 15,909.52 = 4,446.08 : x
  2. Step 2: Convert to fraction form
    10,606.40/15,909.52 = 4,446.08/x
  3. Step 3: Cross multiply
    10,606.40x = 15,909.52 × 4,446.08
  4. Step 4: Simplify right side
    10,606.40x = 70,734,998.68
  5. Step 5: Solve for x
    x = 70,734,998.68/10,606.40
  6. Step 6: Final answer
    x = 6,669.09

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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.