Home / 7,392.40-10,194.72-5,508.64

Finding the Fourth Proportional to 7,392.40, 10,194.72 and 5,508.64

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Solution

The fourth proportional to 7,392.40, 10,194.72 and 5,508.64 is: 7,596.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.40 : 10,194.72 = 5,508.64 : x
  2. Step 2: Convert to fraction form
    7,392.40/10,194.72 = 5,508.64/x
  3. Step 3: Cross multiply
    7,392.40x = 10,194.72 × 5,508.64
  4. Step 4: Simplify right side
    7,392.40x = 56,159,042.38
  5. Step 5: Solve for x
    x = 56,159,042.38/7,392.40
  6. Step 6: Final answer
    x = 7,596.86

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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.