Home / 8,158.08-11,269.79-7,567.59

Finding the Fourth Proportional to 8,158.08, 11,269.79 and 7,567.59

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Solution

The fourth proportional to 8,158.08, 11,269.79 and 7,567.59 is: 10,454.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.08 : 11,269.79 = 7,567.59 : x
  2. Step 2: Convert to fraction form
    8,158.08/11,269.79 = 7,567.59/x
  3. Step 3: Cross multiply
    8,158.08x = 11,269.79 × 7,567.59
  4. Step 4: Simplify right side
    8,158.08x = 85,285,150.11
  5. Step 5: Solve for x
    x = 85,285,150.11/8,158.08
  6. Step 6: Final answer
    x = 10,454.07

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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.