Home / 10,310.48-15,451.95-5,369.76

Finding the Fourth Proportional to 10,310.48, 15,451.95 and 5,369.76

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Solution

The fourth proportional to 10,310.48, 15,451.95 and 5,369.76 is: 8,047.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.48 : 15,451.95 = 5,369.76 : x
  2. Step 2: Convert to fraction form
    10,310.48/15,451.95 = 5,369.76/x
  3. Step 3: Cross multiply
    10,310.48x = 15,451.95 × 5,369.76
  4. Step 4: Simplify right side
    10,310.48x = 82,973,263.03
  5. Step 5: Solve for x
    x = 82,973,263.03/10,310.48
  6. Step 6: Final answer
    x = 8,047.47

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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.