Home / 6,623.76-9,145.05-4,108.56

Finding the Fourth Proportional to 6,623.76, 9,145.05 and 4,108.56

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Solution

The fourth proportional to 6,623.76, 9,145.05 and 4,108.56 is: 5,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.76 : 9,145.05 = 4,108.56 : x
  2. Step 2: Convert to fraction form
    6,623.76/9,145.05 = 4,108.56/x
  3. Step 3: Cross multiply
    6,623.76x = 9,145.05 × 4,108.56
  4. Step 4: Simplify right side
    6,623.76x = 37,572,986.63
  5. Step 5: Solve for x
    x = 37,572,986.63/6,623.76
  6. Step 6: Final answer
    x = 5,672.46

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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.