Home / 8,975.28-13,465.12-8,826.42

Finding the Fourth Proportional to 8,975.28, 13,465.12 and 8,826.42

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Solution

The fourth proportional to 8,975.28, 13,465.12 and 8,826.42 is: 13,241.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.28 : 13,465.12 = 8,826.42 : x
  2. Step 2: Convert to fraction form
    8,975.28/13,465.12 = 8,826.42/x
  3. Step 3: Cross multiply
    8,975.28x = 13,465.12 × 8,826.42
  4. Step 4: Simplify right side
    8,975.28x = 118,848,804.47
  5. Step 5: Solve for x
    x = 118,848,804.47/8,975.28
  6. Step 6: Final answer
    x = 13,241.79

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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.