Home / 7,858.08-10,848.87-5,173.61

Finding the Fourth Proportional to 7,858.08, 10,848.87 and 5,173.61

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Solution

The fourth proportional to 7,858.08, 10,848.87 and 5,173.61 is: 7,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.08 : 10,848.87 = 5,173.61 : x
  2. Step 2: Convert to fraction form
    7,858.08/10,848.87 = 5,173.61/x
  3. Step 3: Cross multiply
    7,858.08x = 10,848.87 × 5,173.61
  4. Step 4: Simplify right side
    7,858.08x = 56,127,768.08
  5. Step 5: Solve for x
    x = 56,127,768.08/7,858.08
  6. Step 6: Final answer
    x = 7,142.68

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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.