Home / 12,468.08-18,701.70-5,070.56

Finding the Fourth Proportional to 12,468.08, 18,701.70 and 5,070.56

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Solution

The fourth proportional to 12,468.08, 18,701.70 and 5,070.56 is: 7,605.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.08 : 18,701.70 = 5,070.56 : x
  2. Step 2: Convert to fraction form
    12,468.08/18,701.70 = 5,070.56/x
  3. Step 3: Cross multiply
    12,468.08x = 18,701.70 × 5,070.56
  4. Step 4: Simplify right side
    12,468.08x = 94,827,998.44
  5. Step 5: Solve for x
    x = 94,827,998.44/12,468.08
  6. Step 6: Final answer
    x = 7,605.66

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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.