Home / 11,742.77-16,204.93-6,437.58

Finding the Fourth Proportional to 11,742.77, 16,204.93 and 6,437.58

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Solution

The fourth proportional to 11,742.77, 16,204.93 and 6,437.58 is: 8,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.77 : 16,204.93 = 6,437.58 : x
  2. Step 2: Convert to fraction form
    11,742.77/16,204.93 = 6,437.58/x
  3. Step 3: Cross multiply
    11,742.77x = 16,204.93 × 6,437.58
  4. Step 4: Simplify right side
    11,742.77x = 104,320,456.41
  5. Step 5: Solve for x
    x = 104,320,456.41/11,742.77
  6. Step 6: Final answer
    x = 8,883.80

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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.