Home / 11,761.50-16,216.47-9,235.74

Finding the Fourth Proportional to 11,761.50, 16,216.47 and 9,235.74

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Solution

The fourth proportional to 11,761.50, 16,216.47 and 9,235.74 is: 12,734.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.50 : 16,216.47 = 9,235.74 : x
  2. Step 2: Convert to fraction form
    11,761.50/16,216.47 = 9,235.74/x
  3. Step 3: Cross multiply
    11,761.50x = 16,216.47 × 9,235.74
  4. Step 4: Simplify right side
    11,761.50x = 149,771,100.64
  5. Step 5: Solve for x
    x = 149,771,100.64/11,761.50
  6. Step 6: Final answer
    x = 12,734.01

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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.