Home / 11,001.64-16,500.54-5,453.16

Finding the Fourth Proportional to 11,001.64, 16,500.54 and 5,453.16

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Solution

The fourth proportional to 11,001.64, 16,500.54 and 5,453.16 is: 8,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.64 : 16,500.54 = 5,453.16 : x
  2. Step 2: Convert to fraction form
    11,001.64/16,500.54 = 5,453.16/x
  3. Step 3: Cross multiply
    11,001.64x = 16,500.54 × 5,453.16
  4. Step 4: Simplify right side
    11,001.64x = 89,980,084.71
  5. Step 5: Solve for x
    x = 89,980,084.71/11,001.64
  6. Step 6: Final answer
    x = 8,178.79

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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.