Home / 9,440.43-13,028.36-5,407.71

Finding the Fourth Proportional to 9,440.43, 13,028.36 and 5,407.71

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Solution

The fourth proportional to 9,440.43, 13,028.36 and 5,407.71 is: 7,462.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.43 : 13,028.36 = 5,407.71 : x
  2. Step 2: Convert to fraction form
    9,440.43/13,028.36 = 5,407.71/x
  3. Step 3: Cross multiply
    9,440.43x = 13,028.36 × 5,407.71
  4. Step 4: Simplify right side
    9,440.43x = 70,453,565.62
  5. Step 5: Solve for x
    x = 70,453,565.62/9,440.43
  6. Step 6: Final answer
    x = 7,462.96

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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.