Home / 28,309.23-42,463.79-7,532.73

Finding the Fourth Proportional to 28,309.23, 42,463.79 and 7,532.73

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Solution

The fourth proportional to 28,309.23, 42,463.79 and 7,532.73 is: 11,299.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,309.23 : 42,463.79 = 7,532.73 : x
  2. Step 2: Convert to fraction form
    28,309.23/42,463.79 = 7,532.73/x
  3. Step 3: Cross multiply
    28,309.23x = 42,463.79 × 7,532.73
  4. Step 4: Simplify right side
    28,309.23x = 319,868,264.85
  5. Step 5: Solve for x
    x = 319,868,264.85/28,309.23
  6. Step 6: Final answer
    x = 11,299.08

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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.