Home / 10,152.82-15,207.63-5,768.02

Finding the Fourth Proportional to 10,152.82, 15,207.63 and 5,768.02

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Solution

The fourth proportional to 10,152.82, 15,207.63 and 5,768.02 is: 8,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.82 : 15,207.63 = 5,768.02 : x
  2. Step 2: Convert to fraction form
    10,152.82/15,207.63 = 5,768.02/x
  3. Step 3: Cross multiply
    10,152.82x = 15,207.63 × 5,768.02
  4. Step 4: Simplify right side
    10,152.82x = 87,717,913.99
  5. Step 5: Solve for x
    x = 87,717,913.99/10,152.82
  6. Step 6: Final answer
    x = 8,639.76

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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.