Home / 7,331.76-10,116.36-4,188.96

Finding the Fourth Proportional to 7,331.76, 10,116.36 and 4,188.96

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Solution

The fourth proportional to 7,331.76, 10,116.36 and 4,188.96 is: 5,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.76 : 10,116.36 = 4,188.96 : x
  2. Step 2: Convert to fraction form
    7,331.76/10,116.36 = 4,188.96/x
  3. Step 3: Cross multiply
    7,331.76x = 10,116.36 × 4,188.96
  4. Step 4: Simplify right side
    7,331.76x = 42,377,027.39
  5. Step 5: Solve for x
    x = 42,377,027.39/7,331.76
  6. Step 6: Final answer
    x = 5,779.93

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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.