Home / 8,954.52-12,357.47-5,125.96

Finding the Fourth Proportional to 8,954.52, 12,357.47 and 5,125.96

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Solution

The fourth proportional to 8,954.52, 12,357.47 and 5,125.96 is: 7,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.52 : 12,357.47 = 5,125.96 : x
  2. Step 2: Convert to fraction form
    8,954.52/12,357.47 = 5,125.96/x
  3. Step 3: Cross multiply
    8,954.52x = 12,357.47 × 5,125.96
  4. Step 4: Simplify right side
    8,954.52x = 63,343,896.92
  5. Step 5: Solve for x
    x = 63,343,896.92/8,954.52
  6. Step 6: Final answer
    x = 7,073.96

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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.