Home / 11,225.12-16,828.49-4,647.74

Finding the Fourth Proportional to 11,225.12, 16,828.49 and 4,647.74

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Solution

The fourth proportional to 11,225.12, 16,828.49 and 4,647.74 is: 6,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.12 : 16,828.49 = 4,647.74 : x
  2. Step 2: Convert to fraction form
    11,225.12/16,828.49 = 4,647.74/x
  3. Step 3: Cross multiply
    11,225.12x = 16,828.49 × 4,647.74
  4. Step 4: Simplify right side
    11,225.12x = 78,214,373.59
  5. Step 5: Solve for x
    x = 78,214,373.59/11,225.12
  6. Step 6: Final answer
    x = 6,967.80

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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.