Home / 10,515.91-15,773.52-4,274.08

Finding the Fourth Proportional to 10,515.91, 15,773.52 and 4,274.08

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Solution

The fourth proportional to 10,515.91, 15,773.52 and 4,274.08 is: 6,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.91 : 15,773.52 = 4,274.08 : x
  2. Step 2: Convert to fraction form
    10,515.91/15,773.52 = 4,274.08/x
  3. Step 3: Cross multiply
    10,515.91x = 15,773.52 × 4,274.08
  4. Step 4: Simplify right side
    10,515.91x = 67,417,286.36
  5. Step 5: Solve for x
    x = 67,417,286.36/10,515.91
  6. Step 6: Final answer
    x = 6,410.98

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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.