Home / 11,288.84-15,578.43-6,184.32

Finding the Fourth Proportional to 11,288.84, 15,578.43 and 6,184.32

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Solution

The fourth proportional to 11,288.84, 15,578.43 and 6,184.32 is: 8,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.84 : 15,578.43 = 6,184.32 : x
  2. Step 2: Convert to fraction form
    11,288.84/15,578.43 = 6,184.32/x
  3. Step 3: Cross multiply
    11,288.84x = 15,578.43 × 6,184.32
  4. Step 4: Simplify right side
    11,288.84x = 96,341,961.28
  5. Step 5: Solve for x
    x = 96,341,961.28/11,288.84
  6. Step 6: Final answer
    x = 8,534.26

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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.