Home / 7,679.86-11,530.03-4,565.62

Finding the Fourth Proportional to 7,679.86, 11,530.03 and 4,565.62

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Solution

The fourth proportional to 7,679.86, 11,530.03 and 4,565.62 is: 6,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.86 : 11,530.03 = 4,565.62 : x
  2. Step 2: Convert to fraction form
    7,679.86/11,530.03 = 4,565.62/x
  3. Step 3: Cross multiply
    7,679.86x = 11,530.03 × 4,565.62
  4. Step 4: Simplify right side
    7,679.86x = 52,641,735.57
  5. Step 5: Solve for x
    x = 52,641,735.57/7,679.86
  6. Step 6: Final answer
    x = 6,854.52

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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.