Home / 8,208.52-11,328.88-4,672.06

Finding the Fourth Proportional to 8,208.52, 11,328.88 and 4,672.06

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Solution

The fourth proportional to 8,208.52, 11,328.88 and 4,672.06 is: 6,448.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.52 : 11,328.88 = 4,672.06 : x
  2. Step 2: Convert to fraction form
    8,208.52/11,328.88 = 4,672.06/x
  3. Step 3: Cross multiply
    8,208.52x = 11,328.88 × 4,672.06
  4. Step 4: Simplify right side
    8,208.52x = 52,929,207.09
  5. Step 5: Solve for x
    x = 52,929,207.09/8,208.52
  6. Step 6: Final answer
    x = 6,448.08

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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.