Home / 8,572.08-11,827.80-4,845.36

Finding the Fourth Proportional to 8,572.08, 11,827.80 and 4,845.36

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Solution

The fourth proportional to 8,572.08, 11,827.80 and 4,845.36 is: 6,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.08 : 11,827.80 = 4,845.36 : x
  2. Step 2: Convert to fraction form
    8,572.08/11,827.80 = 4,845.36/x
  3. Step 3: Cross multiply
    8,572.08x = 11,827.80 × 4,845.36
  4. Step 4: Simplify right side
    8,572.08x = 57,309,949.01
  5. Step 5: Solve for x
    x = 57,309,949.01/8,572.08
  6. Step 6: Final answer
    x = 6,685.65

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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.