Home / 11,458.48-15,814.25-6,424.69

Finding the Fourth Proportional to 11,458.48, 15,814.25 and 6,424.69

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Solution

The fourth proportional to 11,458.48, 15,814.25 and 6,424.69 is: 8,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.48 : 15,814.25 = 6,424.69 : x
  2. Step 2: Convert to fraction form
    11,458.48/15,814.25 = 6,424.69/x
  3. Step 3: Cross multiply
    11,458.48x = 15,814.25 × 6,424.69
  4. Step 4: Simplify right side
    11,458.48x = 101,601,653.83
  5. Step 5: Solve for x
    x = 101,601,653.83/11,458.48
  6. Step 6: Final answer
    x = 8,866.94

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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.