Home / 8,941.18-12,343.27-5,585.86

Finding the Fourth Proportional to 8,941.18, 12,343.27 and 5,585.86

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Solution

The fourth proportional to 8,941.18, 12,343.27 and 5,585.86 is: 7,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.18 : 12,343.27 = 5,585.86 : x
  2. Step 2: Convert to fraction form
    8,941.18/12,343.27 = 5,585.86/x
  3. Step 3: Cross multiply
    8,941.18x = 12,343.27 × 5,585.86
  4. Step 4: Simplify right side
    8,941.18x = 68,947,716.45
  5. Step 5: Solve for x
    x = 68,947,716.45/8,941.18
  6. Step 6: Final answer
    x = 7,711.25

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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.