Home / 11,328.39-15,632.96-6,292.38

Finding the Fourth Proportional to 11,328.39, 15,632.96 and 6,292.38

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Solution

The fourth proportional to 11,328.39, 15,632.96 and 6,292.38 is: 8,683.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.39 : 15,632.96 = 6,292.38 : x
  2. Step 2: Convert to fraction form
    11,328.39/15,632.96 = 6,292.38/x
  3. Step 3: Cross multiply
    11,328.39x = 15,632.96 × 6,292.38
  4. Step 4: Simplify right side
    11,328.39x = 98,368,493.38
  5. Step 5: Solve for x
    x = 98,368,493.38/11,328.39
  6. Step 6: Final answer
    x = 8,683.36

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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.