Home / 12,007.08-16,569.50-6,702.39

Finding the Fourth Proportional to 12,007.08, 16,569.50 and 6,702.39

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Solution

The fourth proportional to 12,007.08, 16,569.50 and 6,702.39 is: 9,249.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.08 : 16,569.50 = 6,702.39 : x
  2. Step 2: Convert to fraction form
    12,007.08/16,569.50 = 6,702.39/x
  3. Step 3: Cross multiply
    12,007.08x = 16,569.50 × 6,702.39
  4. Step 4: Simplify right side
    12,007.08x = 111,055,217.59
  5. Step 5: Solve for x
    x = 111,055,217.59/12,007.08
  6. Step 6: Final answer
    x = 9,249.14

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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.