Home / 8,328.61-11,493.39-4,551.85

Finding the Fourth Proportional to 8,328.61, 11,493.39 and 4,551.85

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Solution

The fourth proportional to 8,328.61, 11,493.39 and 4,551.85 is: 6,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.61 : 11,493.39 = 4,551.85 : x
  2. Step 2: Convert to fraction form
    8,328.61/11,493.39 = 4,551.85/x
  3. Step 3: Cross multiply
    8,328.61x = 11,493.39 × 4,551.85
  4. Step 4: Simplify right side
    8,328.61x = 52,316,187.27
  5. Step 5: Solve for x
    x = 52,316,187.27/8,328.61
  6. Step 6: Final answer
    x = 6,281.50

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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.