Home / 11,701.12-16,148.66-6,396.74

Finding the Fourth Proportional to 11,701.12, 16,148.66 and 6,396.74

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Solution

The fourth proportional to 11,701.12, 16,148.66 and 6,396.74 is: 8,828.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.12 : 16,148.66 = 6,396.74 : x
  2. Step 2: Convert to fraction form
    11,701.12/16,148.66 = 6,396.74/x
  3. Step 3: Cross multiply
    11,701.12x = 16,148.66 × 6,396.74
  4. Step 4: Simplify right side
    11,701.12x = 103,298,779.37
  5. Step 5: Solve for x
    x = 103,298,779.37/11,701.12
  6. Step 6: Final answer
    x = 8,828.11

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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.