Home / 12,008.55-16,572.30-6,702.35

Finding the Fourth Proportional to 12,008.55, 16,572.30 and 6,702.35

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Solution

The fourth proportional to 12,008.55, 16,572.30 and 6,702.35 is: 9,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.55 : 16,572.30 = 6,702.35 : x
  2. Step 2: Convert to fraction form
    12,008.55/16,572.30 = 6,702.35/x
  3. Step 3: Cross multiply
    12,008.55x = 16,572.30 × 6,702.35
  4. Step 4: Simplify right side
    12,008.55x = 111,073,246.91
  5. Step 5: Solve for x
    x = 111,073,246.91/12,008.55
  6. Step 6: Final answer
    x = 9,249.51

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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.