Home / 7,666.27-10,579.61-4,309.09

Finding the Fourth Proportional to 7,666.27, 10,579.61 and 4,309.09

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Solution

The fourth proportional to 7,666.27, 10,579.61 and 4,309.09 is: 5,946.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.27 : 10,579.61 = 4,309.09 : x
  2. Step 2: Convert to fraction form
    7,666.27/10,579.61 = 4,309.09/x
  3. Step 3: Cross multiply
    7,666.27x = 10,579.61 × 4,309.09
  4. Step 4: Simplify right side
    7,666.27x = 45,588,475.98
  5. Step 5: Solve for x
    x = 45,588,475.98/7,666.27
  6. Step 6: Final answer
    x = 5,946.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.