Home / 10,954.56-15,117.36-6,238.56

Finding the Fourth Proportional to 10,954.56, 15,117.36 and 6,238.56

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Solution

The fourth proportional to 10,954.56, 15,117.36 and 6,238.56 is: 8,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.56 : 15,117.36 = 6,238.56 : x
  2. Step 2: Convert to fraction form
    10,954.56/15,117.36 = 6,238.56/x
  3. Step 3: Cross multiply
    10,954.56x = 15,117.36 × 6,238.56
  4. Step 4: Simplify right side
    10,954.56x = 94,310,557.40
  5. Step 5: Solve for x
    x = 94,310,557.40/10,954.56
  6. Step 6: Final answer
    x = 8,609.25

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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.