Home / 11,929.18-16,462.41-6,551.86

Finding the Fourth Proportional to 11,929.18, 16,462.41 and 6,551.86

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Solution

The fourth proportional to 11,929.18, 16,462.41 and 6,551.86 is: 9,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.18 : 16,462.41 = 6,551.86 : x
  2. Step 2: Convert to fraction form
    11,929.18/16,462.41 = 6,551.86/x
  3. Step 3: Cross multiply
    11,929.18x = 16,462.41 × 6,551.86
  4. Step 4: Simplify right side
    11,929.18x = 107,859,405.58
  5. Step 5: Solve for x
    x = 107,859,405.58/11,929.18
  6. Step 6: Final answer
    x = 9,041.64

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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.