Home / 6,487.46-8,940.21-4,716.26

Finding the Fourth Proportional to 6,487.46, 8,940.21 and 4,716.26

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Solution

The fourth proportional to 6,487.46, 8,940.21 and 4,716.26 is: 6,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.46 : 8,940.21 = 4,716.26 : x
  2. Step 2: Convert to fraction form
    6,487.46/8,940.21 = 4,716.26/x
  3. Step 3: Cross multiply
    6,487.46x = 8,940.21 × 4,716.26
  4. Step 4: Simplify right side
    6,487.46x = 42,164,354.81
  5. Step 5: Solve for x
    x = 42,164,354.81/6,487.46
  6. Step 6: Final answer
    x = 6,499.36

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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.