Home / 9,031.64-13,542.26-3,480.30

Finding the Fourth Proportional to 9,031.64, 13,542.26 and 3,480.30

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Solution

The fourth proportional to 9,031.64, 13,542.26 and 3,480.30 is: 5,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.64 : 13,542.26 = 3,480.30 : x
  2. Step 2: Convert to fraction form
    9,031.64/13,542.26 = 3,480.30/x
  3. Step 3: Cross multiply
    9,031.64x = 13,542.26 × 3,480.30
  4. Step 4: Simplify right side
    9,031.64x = 47,131,110.08
  5. Step 5: Solve for x
    x = 47,131,110.08/9,031.64
  6. Step 6: Final answer
    x = 5,218.45

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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.