Home / 10,389.50-15,584.25-4,546.11

Finding the Fourth Proportional to 10,389.50, 15,584.25 and 4,546.11

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Solution

The fourth proportional to 10,389.50, 15,584.25 and 4,546.11 is: 6,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.50 : 15,584.25 = 4,546.11 : x
  2. Step 2: Convert to fraction form
    10,389.50/15,584.25 = 4,546.11/x
  3. Step 3: Cross multiply
    10,389.50x = 15,584.25 × 4,546.11
  4. Step 4: Simplify right side
    10,389.50x = 70,847,714.77
  5. Step 5: Solve for x
    x = 70,847,714.77/10,389.50
  6. Step 6: Final answer
    x = 6,819.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.