Home / 8,203.68-11,320.02-4,618.19

Finding the Fourth Proportional to 8,203.68, 11,320.02 and 4,618.19

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Solution

The fourth proportional to 8,203.68, 11,320.02 and 4,618.19 is: 6,372.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.68 : 11,320.02 = 4,618.19 : x
  2. Step 2: Convert to fraction form
    8,203.68/11,320.02 = 4,618.19/x
  3. Step 3: Cross multiply
    8,203.68x = 11,320.02 × 4,618.19
  4. Step 4: Simplify right side
    8,203.68x = 52,277,946.56
  5. Step 5: Solve for x
    x = 52,277,946.56/8,203.68
  6. Step 6: Final answer
    x = 6,372.50

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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.