Home / 8,424.52-11,624.91-4,887.05

Finding the Fourth Proportional to 8,424.52, 11,624.91 and 4,887.05

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Solution

The fourth proportional to 8,424.52, 11,624.91 and 4,887.05 is: 6,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.52 : 11,624.91 = 4,887.05 : x
  2. Step 2: Convert to fraction form
    8,424.52/11,624.91 = 4,887.05/x
  3. Step 3: Cross multiply
    8,424.52x = 11,624.91 × 4,887.05
  4. Step 4: Simplify right side
    8,424.52x = 56,811,516.42
  5. Step 5: Solve for x
    x = 56,811,516.42/8,424.52
  6. Step 6: Final answer
    x = 6,743.59

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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.