Home / 11,779.55-16,256.07-6,474.50

Finding the Fourth Proportional to 11,779.55, 16,256.07 and 6,474.50

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Solution

The fourth proportional to 11,779.55, 16,256.07 and 6,474.50 is: 8,934.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.55 : 16,256.07 = 6,474.50 : x
  2. Step 2: Convert to fraction form
    11,779.55/16,256.07 = 6,474.50/x
  3. Step 3: Cross multiply
    11,779.55x = 16,256.07 × 6,474.50
  4. Step 4: Simplify right side
    11,779.55x = 105,249,843.93
  5. Step 5: Solve for x
    x = 105,249,843.93/11,779.55
  6. Step 6: Final answer
    x = 8,934.97

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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.