Home / 8,717.33-12,029.85-4,738.34

Finding the Fourth Proportional to 8,717.33, 12,029.85 and 4,738.34

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Solution

The fourth proportional to 8,717.33, 12,029.85 and 4,738.34 is: 6,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.33 : 12,029.85 = 4,738.34 : x
  2. Step 2: Convert to fraction form
    8,717.33/12,029.85 = 4,738.34/x
  3. Step 3: Cross multiply
    8,717.33x = 12,029.85 × 4,738.34
  4. Step 4: Simplify right side
    8,717.33x = 57,001,549.52
  5. Step 5: Solve for x
    x = 57,001,549.52/8,717.33
  6. Step 6: Final answer
    x = 6,538.88

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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.