Home / 11,159.46-16,719.90-5,886.60

Finding the Fourth Proportional to 11,159.46, 16,719.90 and 5,886.60

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Solution

The fourth proportional to 11,159.46, 16,719.90 and 5,886.60 is: 8,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.46 : 16,719.90 = 5,886.60 : x
  2. Step 2: Convert to fraction form
    11,159.46/16,719.90 = 5,886.60/x
  3. Step 3: Cross multiply
    11,159.46x = 16,719.90 × 5,886.60
  4. Step 4: Simplify right side
    11,159.46x = 98,423,363.34
  5. Step 5: Solve for x
    x = 98,423,363.34/11,159.46
  6. Step 6: Final answer
    x = 8,819.72

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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.