Home / 10,880.12-15,015.95-6,163.49

Finding the Fourth Proportional to 10,880.12, 15,015.95 and 6,163.49

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Solution

The fourth proportional to 10,880.12, 15,015.95 and 6,163.49 is: 8,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.12 : 15,015.95 = 6,163.49 : x
  2. Step 2: Convert to fraction form
    10,880.12/15,015.95 = 6,163.49/x
  3. Step 3: Cross multiply
    10,880.12x = 15,015.95 × 6,163.49
  4. Step 4: Simplify right side
    10,880.12x = 92,550,687.50
  5. Step 5: Solve for x
    x = 92,550,687.50/10,880.12
  6. Step 6: Final answer
    x = 8,506.40

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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.