Home / 28,296.11-42,444.05-8,576.25

Finding the Fourth Proportional to 28,296.11, 42,444.05 and 8,576.25

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Solution

The fourth proportional to 28,296.11, 42,444.05 and 8,576.25 is: 12,864.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.11 : 42,444.05 = 8,576.25 : x
  2. Step 2: Convert to fraction form
    28,296.11/42,444.05 = 8,576.25/x
  3. Step 3: Cross multiply
    28,296.11x = 42,444.05 × 8,576.25
  4. Step 4: Simplify right side
    28,296.11x = 364,010,740.93
  5. Step 5: Solve for x
    x = 364,010,740.93/28,296.11
  6. Step 6: Final answer
    x = 12,864.34

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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.