Home / 10,261.12-15,390.88-3,335.04

Finding the Fourth Proportional to 10,261.12, 15,390.88 and 3,335.04

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Solution

The fourth proportional to 10,261.12, 15,390.88 and 3,335.04 is: 5,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.12 : 15,390.88 = 3,335.04 : x
  2. Step 2: Convert to fraction form
    10,261.12/15,390.88 = 3,335.04/x
  3. Step 3: Cross multiply
    10,261.12x = 15,390.88 × 3,335.04
  4. Step 4: Simplify right side
    10,261.12x = 51,329,200.44
  5. Step 5: Solve for x
    x = 51,329,200.44/10,261.12
  6. Step 6: Final answer
    x = 5,002.30

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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.