Home / 11,436.48-15,742.08-10,993.68

Finding the Fourth Proportional to 11,436.48, 15,742.08 and 10,993.68

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Solution

The fourth proportional to 11,436.48, 15,742.08 and 10,993.68 is: 15,132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,436.48 : 15,742.08 = 10,993.68 : x
  2. Step 2: Convert to fraction form
    11,436.48/15,742.08 = 10,993.68/x
  3. Step 3: Cross multiply
    11,436.48x = 15,742.08 × 10,993.68
  4. Step 4: Simplify right side
    11,436.48x = 173,063,390.05
  5. Step 5: Solve for x
    x = 173,063,390.05/11,436.48
  6. Step 6: Final answer
    x = 15,132.57

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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.