Home / 11,366.10-15,685.71-6,330.32

Finding the Fourth Proportional to 11,366.10, 15,685.71 and 6,330.32

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Solution

The fourth proportional to 11,366.10, 15,685.71 and 6,330.32 is: 8,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.10 : 15,685.71 = 6,330.32 : x
  2. Step 2: Convert to fraction form
    11,366.10/15,685.71 = 6,330.32/x
  3. Step 3: Cross multiply
    11,366.10x = 15,685.71 × 6,330.32
  4. Step 4: Simplify right side
    11,366.10x = 99,295,532.08
  5. Step 5: Solve for x
    x = 99,295,532.08/11,366.10
  6. Step 6: Final answer
    x = 8,736.11

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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.