Home / 7,309.17-10,086.66-4,165.38

Finding the Fourth Proportional to 7,309.17, 10,086.66 and 4,165.38

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Solution

The fourth proportional to 7,309.17, 10,086.66 and 4,165.38 is: 5,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.17 : 10,086.66 = 4,165.38 : x
  2. Step 2: Convert to fraction form
    7,309.17/10,086.66 = 4,165.38/x
  3. Step 3: Cross multiply
    7,309.17x = 10,086.66 × 4,165.38
  4. Step 4: Simplify right side
    7,309.17x = 42,014,771.83
  5. Step 5: Solve for x
    x = 42,014,771.83/7,309.17
  6. Step 6: Final answer
    x = 5,748.23

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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.