Home / 10,609.18-15,914.58-3,214.25

Finding the Fourth Proportional to 10,609.18, 15,914.58 and 3,214.25

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Solution

The fourth proportional to 10,609.18, 15,914.58 and 3,214.25 is: 4,821.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609.18 : 15,914.58 = 3,214.25 : x
  2. Step 2: Convert to fraction form
    10,609.18/15,914.58 = 3,214.25/x
  3. Step 3: Cross multiply
    10,609.18x = 15,914.58 × 3,214.25
  4. Step 4: Simplify right side
    10,609.18x = 51,153,406.82
  5. Step 5: Solve for x
    x = 51,153,406.82/10,609.18
  6. Step 6: Final answer
    x = 4,821.62

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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.