Home / 9,204.40-12,702.12-5,012.68

Finding the Fourth Proportional to 9,204.40, 12,702.12 and 5,012.68

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Solution

The fourth proportional to 9,204.40, 12,702.12 and 5,012.68 is: 6,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,204.40 : 12,702.12 = 5,012.68 : x
  2. Step 2: Convert to fraction form
    9,204.40/12,702.12 = 5,012.68/x
  3. Step 3: Cross multiply
    9,204.40x = 12,702.12 × 5,012.68
  4. Step 4: Simplify right side
    9,204.40x = 63,671,662.88
  5. Step 5: Solve for x
    x = 63,671,662.88/9,204.40
  6. Step 6: Final answer
    x = 6,917.52

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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.