Home / 8,328.60-11,495.88-5,498.04

Finding the Fourth Proportional to 8,328.60, 11,495.88 and 5,498.04

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Solution

The fourth proportional to 8,328.60, 11,495.88 and 5,498.04 is: 7,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.60 : 11,495.88 = 5,498.04 : x
  2. Step 2: Convert to fraction form
    8,328.60/11,495.88 = 5,498.04/x
  3. Step 3: Cross multiply
    8,328.60x = 11,495.88 × 5,498.04
  4. Step 4: Simplify right side
    8,328.60x = 63,204,808.08
  5. Step 5: Solve for x
    x = 63,204,808.08/8,328.60
  6. Step 6: Final answer
    x = 7,588.89

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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.