Home / 11,550.72-15,941.70-8,562.36

Finding the Fourth Proportional to 11,550.72, 15,941.70 and 8,562.36

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Solution

The fourth proportional to 11,550.72, 15,941.70 and 8,562.36 is: 11,817.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.72 : 15,941.70 = 8,562.36 : x
  2. Step 2: Convert to fraction form
    11,550.72/15,941.70 = 8,562.36/x
  3. Step 3: Cross multiply
    11,550.72x = 15,941.70 × 8,562.36
  4. Step 4: Simplify right side
    11,550.72x = 136,498,574.41
  5. Step 5: Solve for x
    x = 136,498,574.41/11,550.72
  6. Step 6: Final answer
    x = 11,817.32

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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.