Home / 11,484.12-15,848.28-6,379.50

Finding the Fourth Proportional to 11,484.12, 15,848.28 and 6,379.50

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Solution

The fourth proportional to 11,484.12, 15,848.28 and 6,379.50 is: 8,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484.12 : 15,848.28 = 6,379.50 : x
  2. Step 2: Convert to fraction form
    11,484.12/15,848.28 = 6,379.50/x
  3. Step 3: Cross multiply
    11,484.12x = 15,848.28 × 6,379.50
  4. Step 4: Simplify right side
    11,484.12x = 101,104,102.26
  5. Step 5: Solve for x
    x = 101,104,102.26/11,484.12
  6. Step 6: Final answer
    x = 8,803.82

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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.