Home / 8,717.24-12,029.99-4,738.62

Finding the Fourth Proportional to 8,717.24, 12,029.99 and 4,738.62

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Solution

The fourth proportional to 8,717.24, 12,029.99 and 4,738.62 is: 6,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.24 : 12,029.99 = 4,738.62 : x
  2. Step 2: Convert to fraction form
    8,717.24/12,029.99 = 4,738.62/x
  3. Step 3: Cross multiply
    8,717.24x = 12,029.99 × 4,738.62
  4. Step 4: Simplify right side
    8,717.24x = 57,005,572.63
  5. Step 5: Solve for x
    x = 57,005,572.63/8,717.24
  6. Step 6: Final answer
    x = 6,539.40

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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.