Home / 7,985.93-11,018.57-4,798.58

Finding the Fourth Proportional to 7,985.93, 11,018.57 and 4,798.58

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Solution

The fourth proportional to 7,985.93, 11,018.57 and 4,798.58 is: 6,620.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.93 : 11,018.57 = 4,798.58 : x
  2. Step 2: Convert to fraction form
    7,985.93/11,018.57 = 4,798.58/x
  3. Step 3: Cross multiply
    7,985.93x = 11,018.57 × 4,798.58
  4. Step 4: Simplify right side
    7,985.93x = 52,873,410.54
  5. Step 5: Solve for x
    x = 52,873,410.54/7,985.93
  6. Step 6: Final answer
    x = 6,620.82

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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.