Home / 12,465.86-17,201.68-6,876.50

Finding the Fourth Proportional to 12,465.86, 17,201.68 and 6,876.50

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Solution

The fourth proportional to 12,465.86, 17,201.68 and 6,876.50 is: 9,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.86 : 17,201.68 = 6,876.50 : x
  2. Step 2: Convert to fraction form
    12,465.86/17,201.68 = 6,876.50/x
  3. Step 3: Cross multiply
    12,465.86x = 17,201.68 × 6,876.50
  4. Step 4: Simplify right side
    12,465.86x = 118,287,232.13
  5. Step 5: Solve for x
    x = 118,287,232.13/12,465.86
  6. Step 6: Final answer
    x = 9,488.90

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1.5x scale

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.