Home / 10,646.46-15,971.61-4,403.08

Finding the Fourth Proportional to 10,646.46, 15,971.61 and 4,403.08

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Solution

The fourth proportional to 10,646.46, 15,971.61 and 4,403.08 is: 6,605.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.46 : 15,971.61 = 4,403.08 : x
  2. Step 2: Convert to fraction form
    10,646.46/15,971.61 = 4,403.08/x
  3. Step 3: Cross multiply
    10,646.46x = 15,971.61 × 4,403.08
  4. Step 4: Simplify right side
    10,646.46x = 70,324,313.03
  5. Step 5: Solve for x
    x = 70,324,313.03/10,646.46
  6. Step 6: Final answer
    x = 6,605.42

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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.