Home / 10,047.72-15,071.69-4,783.22

Finding the Fourth Proportional to 10,047.72, 15,071.69 and 4,783.22

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Solution

The fourth proportional to 10,047.72, 15,071.69 and 4,783.22 is: 7,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047.72 : 15,071.69 = 4,783.22 : x
  2. Step 2: Convert to fraction form
    10,047.72/15,071.69 = 4,783.22/x
  3. Step 3: Cross multiply
    10,047.72x = 15,071.69 × 4,783.22
  4. Step 4: Simplify right side
    10,047.72x = 72,091,145.64
  5. Step 5: Solve for x
    x = 72,091,145.64/10,047.72
  6. Step 6: Final answer
    x = 7,174.88

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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.