Home / 8,543.72-11,774.14-5,886.36

Finding the Fourth Proportional to 8,543.72, 11,774.14 and 5,886.36

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Solution

The fourth proportional to 8,543.72, 11,774.14 and 5,886.36 is: 8,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.72 : 11,774.14 = 5,886.36 : x
  2. Step 2: Convert to fraction form
    8,543.72/11,774.14 = 5,886.36/x
  3. Step 3: Cross multiply
    8,543.72x = 11,774.14 × 5,886.36
  4. Step 4: Simplify right side
    8,543.72x = 69,306,826.73
  5. Step 5: Solve for x
    x = 69,306,826.73/8,543.72
  6. Step 6: Final answer
    x = 8,112.02

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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.