Home / 10,322.92-14,240.10-7,173.64

Finding the Fourth Proportional to 10,322.92, 14,240.10 and 7,173.64

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Solution

The fourth proportional to 10,322.92, 14,240.10 and 7,173.64 is: 9,895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,322.92 : 14,240.10 = 7,173.64 : x
  2. Step 2: Convert to fraction form
    10,322.92/14,240.10 = 7,173.64/x
  3. Step 3: Cross multiply
    10,322.92x = 14,240.10 × 7,173.64
  4. Step 4: Simplify right side
    10,322.92x = 102,153,350.96
  5. Step 5: Solve for x
    x = 102,153,350.96/10,322.92
  6. Step 6: Final answer
    x = 9,895.78

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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.