Home / 9,204.72-12,702.08-5,012.96

Finding the Fourth Proportional to 9,204.72, 12,702.08 and 5,012.96

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Solution

The fourth proportional to 9,204.72, 12,702.08 and 5,012.96 is: 6,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,204.72 : 12,702.08 = 5,012.96 : x
  2. Step 2: Convert to fraction form
    9,204.72/12,702.08 = 5,012.96/x
  3. Step 3: Cross multiply
    9,204.72x = 12,702.08 × 5,012.96
  4. Step 4: Simplify right side
    9,204.72x = 63,675,018.96
  5. Step 5: Solve for x
    x = 63,675,018.96/9,204.72
  6. Step 6: Final answer
    x = 6,917.65

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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.