Home / 8,782.22-13,157.84-4,612.34

Finding the Fourth Proportional to 8,782.22, 13,157.84 and 4,612.34

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Solution

The fourth proportional to 8,782.22, 13,157.84 and 4,612.34 is: 6,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.22 : 13,157.84 = 4,612.34 : x
  2. Step 2: Convert to fraction form
    8,782.22/13,157.84 = 4,612.34/x
  3. Step 3: Cross multiply
    8,782.22x = 13,157.84 × 4,612.34
  4. Step 4: Simplify right side
    8,782.22x = 60,688,476.17
  5. Step 5: Solve for x
    x = 60,688,476.17/8,782.22
  6. Step 6: Final answer
    x = 6,910.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.