Home / 9,635.21-13,296.16-5,386.25

Finding the Fourth Proportional to 9,635.21, 13,296.16 and 5,386.25

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Solution

The fourth proportional to 9,635.21, 13,296.16 and 5,386.25 is: 7,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,635.21 : 13,296.16 = 5,386.25 : x
  2. Step 2: Convert to fraction form
    9,635.21/13,296.16 = 5,386.25/x
  3. Step 3: Cross multiply
    9,635.21x = 13,296.16 × 5,386.25
  4. Step 4: Simplify right side
    9,635.21x = 71,616,441.80
  5. Step 5: Solve for x
    x = 71,616,441.80/9,635.21
  6. Step 6: Final answer
    x = 7,432.78

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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.