Home / 28,979.84-43,453.44-9,253.76

Finding the Fourth Proportional to 28,979.84, 43,453.44 and 9,253.76

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Solution

The fourth proportional to 28,979.84, 43,453.44 and 9,253.76 is: 13,875.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979.84 : 43,453.44 = 9,253.76 : x
  2. Step 2: Convert to fraction form
    28,979.84/43,453.44 = 9,253.76/x
  3. Step 3: Cross multiply
    28,979.84x = 43,453.44 × 9,253.76
  4. Step 4: Simplify right side
    28,979.84x = 402,107,704.93
  5. Step 5: Solve for x
    x = 402,107,704.93/28,979.84
  6. Step 6: Final answer
    x = 13,875.43

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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.