Home / 7,331.11-10,113.76-4,905.56

Finding the Fourth Proportional to 7,331.11, 10,113.76 and 4,905.56

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Solution

The fourth proportional to 7,331.11, 10,113.76 and 4,905.56 is: 6,767.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.11 : 10,113.76 = 4,905.56 : x
  2. Step 2: Convert to fraction form
    7,331.11/10,113.76 = 4,905.56/x
  3. Step 3: Cross multiply
    7,331.11x = 10,113.76 × 4,905.56
  4. Step 4: Simplify right side
    7,331.11x = 49,613,687.92
  5. Step 5: Solve for x
    x = 49,613,687.92/7,331.11
  6. Step 6: Final answer
    x = 6,767.56

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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.