Home / 10,589.58-15,867.99-4,012.20

Finding the Fourth Proportional to 10,589.58, 15,867.99 and 4,012.20

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Solution

The fourth proportional to 10,589.58, 15,867.99 and 4,012.20 is: 6,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589.58 : 15,867.99 = 4,012.20 : x
  2. Step 2: Convert to fraction form
    10,589.58/15,867.99 = 4,012.20/x
  3. Step 3: Cross multiply
    10,589.58x = 15,867.99 × 4,012.20
  4. Step 4: Simplify right side
    10,589.58x = 63,665,549.48
  5. Step 5: Solve for x
    x = 63,665,549.48/10,589.58
  6. Step 6: Final answer
    x = 6,012.09

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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.