Home / 11,671.08-17,498.88-6,117.72

Finding the Fourth Proportional to 11,671.08, 17,498.88 and 6,117.72

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Solution

The fourth proportional to 11,671.08, 17,498.88 and 6,117.72 is: 9,172.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.08 : 17,498.88 = 6,117.72 : x
  2. Step 2: Convert to fraction form
    11,671.08/17,498.88 = 6,117.72/x
  3. Step 3: Cross multiply
    11,671.08x = 17,498.88 × 6,117.72
  4. Step 4: Simplify right side
    11,671.08x = 107,053,248.15
  5. Step 5: Solve for x
    x = 107,053,248.15/11,671.08
  6. Step 6: Final answer
    x = 9,172.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.