Home / 11,328.25-15,632.79-6,292.28

Finding the Fourth Proportional to 11,328.25, 15,632.79 and 6,292.28

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Solution

The fourth proportional to 11,328.25, 15,632.79 and 6,292.28 is: 8,683.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.25 : 15,632.79 = 6,292.28 : x
  2. Step 2: Convert to fraction form
    11,328.25/15,632.79 = 6,292.28/x
  3. Step 3: Cross multiply
    11,328.25x = 15,632.79 × 6,292.28
  4. Step 4: Simplify right side
    11,328.25x = 98,365,891.86
  5. Step 5: Solve for x
    x = 98,365,891.86/11,328.25
  6. Step 6: Final answer
    x = 8,683.24

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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.