Home / 9,581.46-13,224.26-5,389.71

Finding the Fourth Proportional to 9,581.46, 13,224.26 and 5,389.71

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Solution

The fourth proportional to 9,581.46, 13,224.26 and 5,389.71 is: 7,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,581.46 : 13,224.26 = 5,389.71 : x
  2. Step 2: Convert to fraction form
    9,581.46/13,224.26 = 5,389.71/x
  3. Step 3: Cross multiply
    9,581.46x = 13,224.26 × 5,389.71
  4. Step 4: Simplify right side
    9,581.46x = 71,274,926.36
  5. Step 5: Solve for x
    x = 71,274,926.36/9,581.46
  6. Step 6: Final answer
    x = 7,438.84

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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.