Home / 11,434.12-15,779.52-6,653.68

Finding the Fourth Proportional to 11,434.12, 15,779.52 and 6,653.68

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Solution

The fourth proportional to 11,434.12, 15,779.52 and 6,653.68 is: 9,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,434.12 : 15,779.52 = 6,653.68 : x
  2. Step 2: Convert to fraction form
    11,434.12/15,779.52 = 6,653.68/x
  3. Step 3: Cross multiply
    11,434.12x = 15,779.52 × 6,653.68
  4. Step 4: Simplify right side
    11,434.12x = 104,991,876.63
  5. Step 5: Solve for x
    x = 104,991,876.63/11,434.12
  6. Step 6: Final answer
    x = 9,182.33

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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.