Home / 12,349.80-18,501.44-6,102.50

Finding the Fourth Proportional to 12,349.80, 18,501.44 and 6,102.50

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Solution

The fourth proportional to 12,349.80, 18,501.44 and 6,102.50 is: 9,142.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.80 : 18,501.44 = 6,102.50 : x
  2. Step 2: Convert to fraction form
    12,349.80/18,501.44 = 6,102.50/x
  3. Step 3: Cross multiply
    12,349.80x = 18,501.44 × 6,102.50
  4. Step 4: Simplify right side
    12,349.80x = 112,905,037.60
  5. Step 5: Solve for x
    x = 112,905,037.60/12,349.80
  6. Step 6: Final answer
    x = 9,142.26

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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.