Home / 11,779.28-16,254.60-6,473.98

Finding the Fourth Proportional to 11,779.28, 16,254.60 and 6,473.98

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Solution

The fourth proportional to 11,779.28, 16,254.60 and 6,473.98 is: 8,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.28 : 16,254.60 = 6,473.98 : x
  2. Step 2: Convert to fraction form
    11,779.28/16,254.60 = 6,473.98/x
  3. Step 3: Cross multiply
    11,779.28x = 16,254.60 × 6,473.98
  4. Step 4: Simplify right side
    11,779.28x = 105,231,955.31
  5. Step 5: Solve for x
    x = 105,231,955.31/11,779.28
  6. Step 6: Final answer
    x = 8,933.65

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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.