Home / 10,285.23-15,424.66-3,710.57

Finding the Fourth Proportional to 10,285.23, 15,424.66 and 3,710.57

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Solution

The fourth proportional to 10,285.23, 15,424.66 and 3,710.57 is: 5,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.23 : 15,424.66 = 3,710.57 : x
  2. Step 2: Convert to fraction form
    10,285.23/15,424.66 = 3,710.57/x
  3. Step 3: Cross multiply
    10,285.23x = 15,424.66 × 3,710.57
  4. Step 4: Simplify right side
    10,285.23x = 57,234,208.17
  5. Step 5: Solve for x
    x = 57,234,208.17/10,285.23
  6. Step 6: Final answer
    x = 5,564.70

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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.