Home / 7,512.40-10,367.06-4,488.90

Finding the Fourth Proportional to 7,512.40, 10,367.06 and 4,488.90

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Solution

The fourth proportional to 7,512.40, 10,367.06 and 4,488.90 is: 6,194.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.40 : 10,367.06 = 4,488.90 : x
  2. Step 2: Convert to fraction form
    7,512.40/10,367.06 = 4,488.90/x
  3. Step 3: Cross multiply
    7,512.40x = 10,367.06 × 4,488.90
  4. Step 4: Simplify right side
    7,512.40x = 46,536,741.44
  5. Step 5: Solve for x
    x = 46,536,741.44/7,512.40
  6. Step 6: Final answer
    x = 6,194.66

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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.