Home / 8,339.67-11,511.51-4,803.75

Finding the Fourth Proportional to 8,339.67, 11,511.51 and 4,803.75

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Solution

The fourth proportional to 8,339.67, 11,511.51 and 4,803.75 is: 6,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.67 : 11,511.51 = 4,803.75 : x
  2. Step 2: Convert to fraction form
    8,339.67/11,511.51 = 4,803.75/x
  3. Step 3: Cross multiply
    8,339.67x = 11,511.51 × 4,803.75
  4. Step 4: Simplify right side
    8,339.67x = 55,298,416.16
  5. Step 5: Solve for x
    x = 55,298,416.16/8,339.67
  6. Step 6: Final answer
    x = 6,630.77

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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.