Home / 10,462.16-15,693.24-3,890

Finding the Fourth Proportional to 10,462.16, 15,693.24 and 3,890

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Solution

The fourth proportional to 10,462.16, 15,693.24 and 3,890 is: 5,835

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,462.16 : 15,693.24 = 3,890 : x
  2. Step 2: Convert to fraction form
    10,462.16/15,693.24 = 3,890/x
  3. Step 3: Cross multiply
    10,462.16x = 15,693.24 × 3,890
  4. Step 4: Simplify right side
    10,462.16x = 61,046,703.60
  5. Step 5: Solve for x
    x = 61,046,703.60/10,462.16
  6. Step 6: Final answer
    x = 5,835

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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.