Home / 13,251.08-18,285.56-7,283

Finding the Fourth Proportional to 13,251.08, 18,285.56 and 7,283

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Solution

The fourth proportional to 13,251.08, 18,285.56 and 7,283 is: 10,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.08 : 18,285.56 = 7,283 : x
  2. Step 2: Convert to fraction form
    13,251.08/18,285.56 = 7,283/x
  3. Step 3: Cross multiply
    13,251.08x = 18,285.56 × 7,283
  4. Step 4: Simplify right side
    13,251.08x = 133,173,733.48
  5. Step 5: Solve for x
    x = 133,173,733.48/13,251.08
  6. Step 6: Final answer
    x = 10,050.03

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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.