Home / 7,524.81-11,278.71-5,670.11

Finding the Fourth Proportional to 7,524.81, 11,278.71 and 5,670.11

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Solution

The fourth proportional to 7,524.81, 11,278.71 and 5,670.11 is: 8,498.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524.81 : 11,278.71 = 5,670.11 : x
  2. Step 2: Convert to fraction form
    7,524.81/11,278.71 = 5,670.11/x
  3. Step 3: Cross multiply
    7,524.81x = 11,278.71 × 5,670.11
  4. Step 4: Simplify right side
    7,524.81x = 63,951,554.55
  5. Step 5: Solve for x
    x = 63,951,554.55/7,524.81
  6. Step 6: Final answer
    x = 8,498.76

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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.