Home / 8,365.81-11,545.55-4,589.70

Finding the Fourth Proportional to 8,365.81, 11,545.55 and 4,589.70

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Solution

The fourth proportional to 8,365.81, 11,545.55 and 4,589.70 is: 6,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.81 : 11,545.55 = 4,589.70 : x
  2. Step 2: Convert to fraction form
    8,365.81/11,545.55 = 4,589.70/x
  3. Step 3: Cross multiply
    8,365.81x = 11,545.55 × 4,589.70
  4. Step 4: Simplify right side
    8,365.81x = 52,990,685.03
  5. Step 5: Solve for x
    x = 52,990,685.03/8,365.81
  6. Step 6: Final answer
    x = 6,334.20

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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.