Home / 10,322.46-15,478.22-4,082.22

Finding the Fourth Proportional to 10,322.46, 15,478.22 and 4,082.22

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Solution

The fourth proportional to 10,322.46, 15,478.22 and 4,082.22 is: 6,121.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,322.46 : 15,478.22 = 4,082.22 : x
  2. Step 2: Convert to fraction form
    10,322.46/15,478.22 = 4,082.22/x
  3. Step 3: Cross multiply
    10,322.46x = 15,478.22 × 4,082.22
  4. Step 4: Simplify right side
    10,322.46x = 63,185,509.45
  5. Step 5: Solve for x
    x = 63,185,509.45/10,322.46
  6. Step 6: Final answer
    x = 6,121.17

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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.