Home / 8,717.16-12,029.54-4,738.35

Finding the Fourth Proportional to 8,717.16, 12,029.54 and 4,738.35

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Solution

The fourth proportional to 8,717.16, 12,029.54 and 4,738.35 is: 6,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.16 : 12,029.54 = 4,738.35 : x
  2. Step 2: Convert to fraction form
    8,717.16/12,029.54 = 4,738.35/x
  3. Step 3: Cross multiply
    8,717.16x = 12,029.54 × 4,738.35
  4. Step 4: Simplify right side
    8,717.16x = 57,000,170.86
  5. Step 5: Solve for x
    x = 57,000,170.86/8,717.16
  6. Step 6: Final answer
    x = 6,538.85

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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.