Home / 12,041.76-18,069.60-6,495.12

Finding the Fourth Proportional to 12,041.76, 18,069.60 and 6,495.12

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Solution

The fourth proportional to 12,041.76, 18,069.60 and 6,495.12 is: 9,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,041.76 : 18,069.60 = 6,495.12 : x
  2. Step 2: Convert to fraction form
    12,041.76/18,069.60 = 6,495.12/x
  3. Step 3: Cross multiply
    12,041.76x = 18,069.60 × 6,495.12
  4. Step 4: Simplify right side
    12,041.76x = 117,364,220.35
  5. Step 5: Solve for x
    x = 117,364,220.35/12,041.76
  6. Step 6: Final answer
    x = 9,746.43

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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.