Home / 10,268.04-15,394.21-8,507.64

Finding the Fourth Proportional to 10,268.04, 15,394.21 and 8,507.64

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Solution

The fourth proportional to 10,268.04, 15,394.21 and 8,507.64 is: 12,754.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.04 : 15,394.21 = 8,507.64 : x
  2. Step 2: Convert to fraction form
    10,268.04/15,394.21 = 8,507.64/x
  3. Step 3: Cross multiply
    10,268.04x = 15,394.21 × 8,507.64
  4. Step 4: Simplify right side
    10,268.04x = 130,968,396.76
  5. Step 5: Solve for x
    x = 130,968,396.76/10,268.04
  6. Step 6: Final answer
    x = 12,754.96

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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.