Home / 7,339.72-10,131.12-4,694.26

Finding the Fourth Proportional to 7,339.72, 10,131.12 and 4,694.26

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Solution

The fourth proportional to 7,339.72, 10,131.12 and 4,694.26 is: 6,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.72 : 10,131.12 = 4,694.26 : x
  2. Step 2: Convert to fraction form
    7,339.72/10,131.12 = 4,694.26/x
  3. Step 3: Cross multiply
    7,339.72x = 10,131.12 × 4,694.26
  4. Step 4: Simplify right side
    7,339.72x = 47,558,111.37
  5. Step 5: Solve for x
    x = 47,558,111.37/7,339.72
  6. Step 6: Final answer
    x = 6,479.55

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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.