Home / 28,302.48-42,453.68-7,525.98

Finding the Fourth Proportional to 28,302.48, 42,453.68 and 7,525.98

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Solution

The fourth proportional to 28,302.48, 42,453.68 and 7,525.98 is: 11,288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302.48 : 42,453.68 = 7,525.98 : x
  2. Step 2: Convert to fraction form
    28,302.48/42,453.68 = 7,525.98/x
  3. Step 3: Cross multiply
    28,302.48x = 42,453.68 × 7,525.98
  4. Step 4: Simplify right side
    28,302.48x = 319,505,508.98
  5. Step 5: Solve for x
    x = 319,505,508.98/28,302.48
  6. Step 6: Final answer
    x = 11,288.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.