Home / 10,263.18-15,387.94-3,688.51

Finding the Fourth Proportional to 10,263.18, 15,387.94 and 3,688.51

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Solution

The fourth proportional to 10,263.18, 15,387.94 and 3,688.51 is: 5,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.18 : 15,387.94 = 3,688.51 : x
  2. Step 2: Convert to fraction form
    10,263.18/15,387.94 = 3,688.51/x
  3. Step 3: Cross multiply
    10,263.18x = 15,387.94 × 3,688.51
  4. Step 4: Simplify right side
    10,263.18x = 56,758,593.28
  5. Step 5: Solve for x
    x = 56,758,593.28/10,263.18
  6. Step 6: Final answer
    x = 5,530.31

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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.