Home / 10,427.81-15,644.03-3,032.84

Finding the Fourth Proportional to 10,427.81, 15,644.03 and 3,032.84

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Solution

The fourth proportional to 10,427.81, 15,644.03 and 3,032.84 is: 4,549.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.81 : 15,644.03 = 3,032.84 : x
  2. Step 2: Convert to fraction form
    10,427.81/15,644.03 = 3,032.84/x
  3. Step 3: Cross multiply
    10,427.81x = 15,644.03 × 3,032.84
  4. Step 4: Simplify right side
    10,427.81x = 47,445,863.89
  5. Step 5: Solve for x
    x = 47,445,863.89/10,427.81
  6. Step 6: Final answer
    x = 4,549.94

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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.