Home / 11,479.32-15,841.17-6,763.50

Finding the Fourth Proportional to 11,479.32, 15,841.17 and 6,763.50

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Solution

The fourth proportional to 11,479.32, 15,841.17 and 6,763.50 is: 9,333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.32 : 15,841.17 = 6,763.50 : x
  2. Step 2: Convert to fraction form
    11,479.32/15,841.17 = 6,763.50/x
  3. Step 3: Cross multiply
    11,479.32x = 15,841.17 × 6,763.50
  4. Step 4: Simplify right side
    11,479.32x = 107,141,753.30
  5. Step 5: Solve for x
    x = 107,141,753.30/11,479.32
  6. Step 6: Final answer
    x = 9,333.46

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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.