Home / 7,548.91-10,418.73-4,405.09

Finding the Fourth Proportional to 7,548.91, 10,418.73 and 4,405.09

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Solution

The fourth proportional to 7,548.91, 10,418.73 and 4,405.09 is: 6,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.91 : 10,418.73 = 4,405.09 : x
  2. Step 2: Convert to fraction form
    7,548.91/10,418.73 = 4,405.09/x
  3. Step 3: Cross multiply
    7,548.91x = 10,418.73 × 4,405.09
  4. Step 4: Simplify right side
    7,548.91x = 45,895,443.34
  5. Step 5: Solve for x
    x = 45,895,443.34/7,548.91
  6. Step 6: Final answer
    x = 6,079.74

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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.