Home / 8,074.35-11,142.63-4,717.31

Finding the Fourth Proportional to 8,074.35, 11,142.63 and 4,717.31

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Solution

The fourth proportional to 8,074.35, 11,142.63 and 4,717.31 is: 6,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.35 : 11,142.63 = 4,717.31 : x
  2. Step 2: Convert to fraction form
    8,074.35/11,142.63 = 4,717.31/x
  3. Step 3: Cross multiply
    8,074.35x = 11,142.63 × 4,717.31
  4. Step 4: Simplify right side
    8,074.35x = 52,563,184.21
  5. Step 5: Solve for x
    x = 52,563,184.21/8,074.35
  6. Step 6: Final answer
    x = 6,509.90

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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.