Home / 10,263.78-15,402.96-4,723.38

Finding the Fourth Proportional to 10,263.78, 15,402.96 and 4,723.38

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Solution

The fourth proportional to 10,263.78, 15,402.96 and 4,723.38 is: 7,088.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.78 : 15,402.96 = 4,723.38 : x
  2. Step 2: Convert to fraction form
    10,263.78/15,402.96 = 4,723.38/x
  3. Step 3: Cross multiply
    10,263.78x = 15,402.96 × 4,723.38
  4. Step 4: Simplify right side
    10,263.78x = 72,754,033.20
  5. Step 5: Solve for x
    x = 72,754,033.20/10,263.78
  6. Step 6: Final answer
    x = 7,088.42

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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.