Home / 12,468.96-18,703.56-5,876.40

Finding the Fourth Proportional to 12,468.96, 18,703.56 and 5,876.40

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Solution

The fourth proportional to 12,468.96, 18,703.56 and 5,876.40 is: 8,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.96 : 18,703.56 = 5,876.40 : x
  2. Step 2: Convert to fraction form
    12,468.96/18,703.56 = 5,876.40/x
  3. Step 3: Cross multiply
    12,468.96x = 18,703.56 × 5,876.40
  4. Step 4: Simplify right side
    12,468.96x = 109,909,599.98
  5. Step 5: Solve for x
    x = 109,909,599.98/12,468.96
  6. Step 6: Final answer
    x = 8,814.66

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1.5x scale

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.