Home / 8,621.56-11,897.64-5,038.96

Finding the Fourth Proportional to 8,621.56, 11,897.64 and 5,038.96

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Solution

The fourth proportional to 8,621.56, 11,897.64 and 5,038.96 is: 6,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.56 : 11,897.64 = 5,038.96 : x
  2. Step 2: Convert to fraction form
    8,621.56/11,897.64 = 5,038.96/x
  3. Step 3: Cross multiply
    8,621.56x = 11,897.64 × 5,038.96
  4. Step 4: Simplify right side
    8,621.56x = 59,951,732.05
  5. Step 5: Solve for x
    x = 59,951,732.05/8,621.56
  6. Step 6: Final answer
    x = 6,953.70

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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.