Home / 8,840.52-12,209.49-5,491.35

Finding the Fourth Proportional to 8,840.52, 12,209.49 and 5,491.35

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Solution

The fourth proportional to 8,840.52, 12,209.49 and 5,491.35 is: 7,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.52 : 12,209.49 = 5,491.35 : x
  2. Step 2: Convert to fraction form
    8,840.52/12,209.49 = 5,491.35/x
  3. Step 3: Cross multiply
    8,840.52x = 12,209.49 × 5,491.35
  4. Step 4: Simplify right side
    8,840.52x = 67,046,582.91
  5. Step 5: Solve for x
    x = 67,046,582.91/8,840.52
  6. Step 6: Final answer
    x = 7,584.01

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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.