Home / 11,548.18-15,939.21-7,354

Finding the Fourth Proportional to 11,548.18, 15,939.21 and 7,354

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Solution

The fourth proportional to 11,548.18, 15,939.21 and 7,354 is: 10,150.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,548.18 : 15,939.21 = 7,354 : x
  2. Step 2: Convert to fraction form
    11,548.18/15,939.21 = 7,354/x
  3. Step 3: Cross multiply
    11,548.18x = 15,939.21 × 7,354
  4. Step 4: Simplify right side
    11,548.18x = 117,216,950.34
  5. Step 5: Solve for x
    x = 117,216,950.34/11,548.18
  6. Step 6: Final answer
    x = 10,150.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.