Home / 11,511.94-15,886.32-6,476.16

Finding the Fourth Proportional to 11,511.94, 15,886.32 and 6,476.16

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Solution

The fourth proportional to 11,511.94, 15,886.32 and 6,476.16 is: 8,937.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.94 : 15,886.32 = 6,476.16 : x
  2. Step 2: Convert to fraction form
    11,511.94/15,886.32 = 6,476.16/x
  3. Step 3: Cross multiply
    11,511.94x = 15,886.32 × 6,476.16
  4. Step 4: Simplify right side
    11,511.94x = 102,882,350.13
  5. Step 5: Solve for x
    x = 102,882,350.13/11,511.94
  6. Step 6: Final answer
    x = 8,937.01

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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.