Home / 8,269.52-11,411.40-4,543.28

Finding the Fourth Proportional to 8,269.52, 11,411.40 and 4,543.28

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Solution

The fourth proportional to 8,269.52, 11,411.40 and 4,543.28 is: 6,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.52 : 11,411.40 = 4,543.28 : x
  2. Step 2: Convert to fraction form
    8,269.52/11,411.40 = 4,543.28/x
  3. Step 3: Cross multiply
    8,269.52x = 11,411.40 × 4,543.28
  4. Step 4: Simplify right side
    8,269.52x = 51,845,185.39
  5. Step 5: Solve for x
    x = 51,845,185.39/8,269.52
  6. Step 6: Final answer
    x = 6,269.43

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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.