Home / 10,949.36-15,107.88-6,232.40

Finding the Fourth Proportional to 10,949.36, 15,107.88 and 6,232.40

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Solution

The fourth proportional to 10,949.36, 15,107.88 and 6,232.40 is: 8,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.36 : 15,107.88 = 6,232.40 : x
  2. Step 2: Convert to fraction form
    10,949.36/15,107.88 = 6,232.40/x
  3. Step 3: Cross multiply
    10,949.36x = 15,107.88 × 6,232.40
  4. Step 4: Simplify right side
    10,949.36x = 94,158,351.31
  5. Step 5: Solve for x
    x = 94,158,351.31/10,949.36
  6. Step 6: Final answer
    x = 8,599.44

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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.