Home / 10,051.56-15,084.38-4,209.64

Finding the Fourth Proportional to 10,051.56, 15,084.38 and 4,209.64

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Solution

The fourth proportional to 10,051.56, 15,084.38 and 4,209.64 is: 6,317.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,051.56 : 15,084.38 = 4,209.64 : x
  2. Step 2: Convert to fraction form
    10,051.56/15,084.38 = 4,209.64/x
  3. Step 3: Cross multiply
    10,051.56x = 15,084.38 × 4,209.64
  4. Step 4: Simplify right side
    10,051.56x = 63,499,809.42
  5. Step 5: Solve for x
    x = 63,499,809.42/10,051.56
  6. Step 6: Final answer
    x = 6,317.41

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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.