Home / 9,451.34-13,040.97-5,258.78

Finding the Fourth Proportional to 9,451.34, 13,040.97 and 5,258.78

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Solution

The fourth proportional to 9,451.34, 13,040.97 and 5,258.78 is: 7,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451.34 : 13,040.97 = 5,258.78 : x
  2. Step 2: Convert to fraction form
    9,451.34/13,040.97 = 5,258.78/x
  3. Step 3: Cross multiply
    9,451.34x = 13,040.97 × 5,258.78
  4. Step 4: Simplify right side
    9,451.34x = 68,579,592.22
  5. Step 5: Solve for x
    x = 68,579,592.22/9,451.34
  6. Step 6: Final answer
    x = 7,256.07

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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.