Home / 11,917.40-16,444.77-6,612.08

Finding the Fourth Proportional to 11,917.40, 16,444.77 and 6,612.08

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Solution

The fourth proportional to 11,917.40, 16,444.77 and 6,612.08 is: 9,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.40 : 16,444.77 = 6,612.08 : x
  2. Step 2: Convert to fraction form
    11,917.40/16,444.77 = 6,612.08/x
  3. Step 3: Cross multiply
    11,917.40x = 16,444.77 × 6,612.08
  4. Step 4: Simplify right side
    11,917.40x = 108,734,134.82
  5. Step 5: Solve for x
    x = 108,734,134.82/11,917.40
  6. Step 6: Final answer
    x = 9,123.98

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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.