Home / 9,428.32-13,011.18-5,236.56

Finding the Fourth Proportional to 9,428.32, 13,011.18 and 5,236.56

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Solution

The fourth proportional to 9,428.32, 13,011.18 and 5,236.56 is: 7,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.32 : 13,011.18 = 5,236.56 : x
  2. Step 2: Convert to fraction form
    9,428.32/13,011.18 = 5,236.56/x
  3. Step 3: Cross multiply
    9,428.32x = 13,011.18 × 5,236.56
  4. Step 4: Simplify right side
    9,428.32x = 68,133,824.74
  5. Step 5: Solve for x
    x = 68,133,824.74/9,428.32
  6. Step 6: Final answer
    x = 7,226.51

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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.