Home / 6,681.43-10,022.15-4,219.99

Finding the Fourth Proportional to 6,681.43, 10,022.15 and 4,219.99

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Solution

The fourth proportional to 6,681.43, 10,022.15 and 4,219.99 is: 6,329.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.43 : 10,022.15 = 4,219.99 : x
  2. Step 2: Convert to fraction form
    6,681.43/10,022.15 = 4,219.99/x
  3. Step 3: Cross multiply
    6,681.43x = 10,022.15 × 4,219.99
  4. Step 4: Simplify right side
    6,681.43x = 42,293,372.78
  5. Step 5: Solve for x
    x = 42,293,372.78/6,681.43
  6. Step 6: Final answer
    x = 6,329.99

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Half scale
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Double scale
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Similar ratio
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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.