Home / 10,954.48-15,117.60-6,238.68

Finding the Fourth Proportional to 10,954.48, 15,117.60 and 6,238.68

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Solution

The fourth proportional to 10,954.48, 15,117.60 and 6,238.68 is: 8,609.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.48 : 15,117.60 = 6,238.68 : x
  2. Step 2: Convert to fraction form
    10,954.48/15,117.60 = 6,238.68/x
  3. Step 3: Cross multiply
    10,954.48x = 15,117.60 × 6,238.68
  4. Step 4: Simplify right side
    10,954.48x = 94,313,868.77
  5. Step 5: Solve for x
    x = 94,313,868.77/10,954.48
  6. Step 6: Final answer
    x = 8,609.62

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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.