Home / 8,585.72-11,848.34-4,809.01

Finding the Fourth Proportional to 8,585.72, 11,848.34 and 4,809.01

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Solution

The fourth proportional to 8,585.72, 11,848.34 and 4,809.01 is: 6,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.72 : 11,848.34 = 4,809.01 : x
  2. Step 2: Convert to fraction form
    8,585.72/11,848.34 = 4,809.01/x
  3. Step 3: Cross multiply
    8,585.72x = 11,848.34 × 4,809.01
  4. Step 4: Simplify right side
    8,585.72x = 56,978,785.54
  5. Step 5: Solve for x
    x = 56,978,785.54/8,585.72
  6. Step 6: Final answer
    x = 6,636.46

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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.