Home / 9,265.47-13,903.88-3,422.13

Finding the Fourth Proportional to 9,265.47, 13,903.88 and 3,422.13

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Solution

The fourth proportional to 9,265.47, 13,903.88 and 3,422.13 is: 5,135.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,265.47 : 13,903.88 = 3,422.13 : x
  2. Step 2: Convert to fraction form
    9,265.47/13,903.88 = 3,422.13/x
  3. Step 3: Cross multiply
    9,265.47x = 13,903.88 × 3,422.13
  4. Step 4: Simplify right side
    9,265.47x = 47,580,867.75
  5. Step 5: Solve for x
    x = 47,580,867.75/9,265.47
  6. Step 6: Final answer
    x = 5,135.29

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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.